87255297464672 has 48 divisors (see below), whose sum is σ = 182248943063040. Its totient is φ = 41006012116608.

The previous prime is 87255297464651. The next prime is 87255297464701. The reversal of 87255297464672 is 27646479255278.

It is a super-2 number, since 2×87255297464672² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87255297464672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564930668 + ... + 565085099.

It is an arithmetic number, because the mean of its divisors is an integer number (3796852980480).

Almost surely, 2^{87255297464672} is an apocalyptic number.

It is an amenable number.

87255297464672 is an abundant number, since it is smaller than the sum of its proper divisors (94993645598368).

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

87255297464672 is a wasteful number, since it uses less digits than its factorization.

87255297464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130015923 (or 1130015915 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 74.

The spelling of 87255297464672 in words is "eighty-seven trillion, two hundred fifty-five billion, two hundred ninety-seven million, four hundred sixty-four thousand, six hundred seventy-two".