87510855231 has 12 divisors (see below), whose sum is σ = 126409331152. Its totient is φ = 58338372096.

The previous prime is 87510855221. The next prime is 87510855241. The reversal of 87510855231 is 13255801578.

87510855231 is a `hidden beast` number, since 8 + 7 + 510 + 85 + 52 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (87510855221) and next prime (87510855241).

It is not a de Polignac number, because 87510855231 - 2⁶ = 87510855167 is a prime.

It is a super-4 number, since 4×87510855231⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87510855221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90495 + ... + 428031.

Almost surely, 2^87510855231 is an apocalyptic number.

87510855231 is a deficient number, since it is larger than the sum of its proper divisors (38898475921).

87510855231 is a wasteful number, since it uses less digits than its factorization.

87510855231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366350 (or 366347 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The spelling of 87510855231 in words is "eighty-seven billion, five hundred ten million, eight hundred fifty-five thousand, two hundred thirty-one".