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85384700777 = 1011283658919
BaseRepresentation
bin100111110000101010…
…0110010001101101001
322011101121101012211002
41033201110302031221
52344331440411102
6103120350244345
76111624660455
oct1174124621551
9264347335732
1085384700777
113323648a512
121466b1b66b5
1380898a93ac
1441bdd7b665
15234b0b5902
hex13e1532369

85384700777 has 8 divisors (see below), whose sum is σ = 86297434560. Its totient is φ = 84473287600.

The previous prime is 85384700771. The next prime is 85384700809. The reversal of 85384700777 is 77700748358.

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 85384700777 - 28 = 85384700521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85384700771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199877 + ... + 459042.

It is an arithmetic number, because the mean of its divisors is an integer number (10787179320).

Almost surely, 285384700777 is an apocalyptic number.

It is an amenable number.

85384700777 is a deficient number, since it is larger than the sum of its proper divisors (912733783).

85384700777 is a wasteful number, since it uses less digits than its factorization.

85384700777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660303.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 85384700777 in words is "eighty-five billion, three hundred eighty-four million, seven hundred thousand, seven hundred seventy-seven".

Divisors: 1 101 1283 129583 658919 66550819 845393077 85384700777