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8087577061 is a prime number
BaseRepresentation
bin1111000100000111…
…01010000111100101
3202212122012111001011
413202003222013211
5113030404431221
63414304502221
7404263161604
oct74203520745
922778174034
108087577061
113480254393
12169861a971
139bb727275
1456a183a3b
153250491e1
hex1e20ea1e5

8087577061 has 2 divisors, whose sum is σ = 8087577062. Its totient is φ = 8087577060.

The previous prime is 8087577013. The next prime is 8087577079. The reversal of 8087577061 is 1607757808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8059550625 + 28026436 = 89775^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 8087577061 - 27 = 8087576933 is a prime.

It is a super-2 number, since 2×80875770612 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8087576996 and 8087577014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8087578061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4043788530 + 4043788531.

It is an arithmetic number, because the mean of its divisors is an integer number (4043788531).

Almost surely, 28087577061 is an apocalyptic number.

It is an amenable number.

8087577061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8087577061 is an equidigital number, since it uses as much as digits as its factorization.

8087577061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658560, while the sum is 49.

The square root of 8087577061 is about 89930.9571893906. The cubic root of 8087577061 is about 2007.2716181599.

The spelling of 8087577061 in words is "eight billion, eighty-seven million, five hundred seventy-seven thousand, sixty-one".