87718677484464 has 80 divisors (see below), whose sum is σ = 271153176856800. Its totient is φ = 26990362301184.

The previous prime is 87718677484429. The next prime is 87718677484489. The reversal of 87718677484464 is 46448477681778.

87718677484464 is a `hidden beast` number, since 8 + 7 + 7 + 1 + 8 + 6 + 7 + 74 + 84 + 464 = 666.

It is a super-2 number, since 2×87718677484464² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7809705699 + ... + 7809716930.

It is an arithmetic number, because the mean of its divisors is an integer number (3389414710710).

Almost surely, 2^{87718677484464} is an apocalyptic number.

It is an amenable number.

87718677484464 is an abundant number, since it is smaller than the sum of its proper divisors (183434499372336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87718677484464 is a wasteful number, since it uses less digits than its factorization.

87718677484464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619422659 (or 15619422647 counting only the distinct ones).

The product of its digits is 11329339392, while the sum is 81.

The spelling of 87718677484464 in words is "eighty-seven trillion, seven hundred eighteen billion, six hundred seventy-seven million, four hundred eighty-four thousand, four hundred sixty-four".