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8076785857 = 74128142111
BaseRepresentation
bin1111000010110100…
…11111100011000001
3202211212220020021221
413201122133203001
5113020124121412
63413241315041
7404102355430
oct74132374301
922755806257
108076785857
113475153838
121694a95a81
139b941953a
14568975117
15324116b07
hex1e169f8c1

8076785857 has 8 divisors (see below), whose sum is σ = 9455749632. Its totient is φ = 6754106400.

The previous prime is 8076785831. The next prime is 8076785863. The reversal of 8076785857 is 7585876708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8076785857 - 27 = 8076785729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8076785795 and 8076785804.

It is not an unprimeable number, because it can be changed into a prime (8076785807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14070769 + ... + 14071342.

It is an arithmetic number, because the mean of its divisors is an integer number (1181968704).

Almost surely, 28076785857 is an apocalyptic number.

It is an amenable number.

8076785857 is a deficient number, since it is larger than the sum of its proper divisors (1378963775).

8076785857 is a wasteful number, since it uses less digits than its factorization.

8076785857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142159.

The product of its (nonzero) digits is 26342400, while the sum is 61.

The square root of 8076785857 is about 89870.9400028730. The cubic root of 8076785857 is about 2006.3784574316.

The spelling of 8076785857 in words is "eight billion, seventy-six million, seven hundred eighty-five thousand, eight hundred fifty-seven".

Divisors: 1 7 41 287 28142111 196994777 1153826551 8076785857