87500955257 has 12 divisors (see below), whose sum is σ = 91508183760. Its totient is φ = 83662317288.

The previous prime is 87500955253. The next prime is 87500955293. The reversal of 87500955257 is 75255900578.

It is not a de Polignac number, because 87500955257 - 2² = 87500955253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87500955199 and 87500955208.

It is not an unprimeable number, because it can be changed into a prime (87500955253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310558 + ... + 1375704.

It is an arithmetic number, because the mean of its divisors is an integer number (7625681980).

Almost surely, 2^87500955257 is an apocalyptic number.

It is an amenable number.

87500955257 is a deficient number, since it is larger than the sum of its proper divisors (4007228503).

87500955257 is a wasteful number, since it uses less digits than its factorization.

87500955257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67732 (or 67709 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 53.

The spelling of 87500955257 in words is "eighty-seven billion, five hundred million, nine hundred fifty-five thousand, two hundred fifty-seven".