867991552704 has 84 divisors (see below), whose sum is σ = 2491638969976. Its totient is φ = 288900476928.

The previous prime is 867991552691. The next prime is 867991552711. The reversal of 867991552704 is 407255199768.

867991552704 is a `hidden beast` number, since 8 + 6 + 7 + 9 + 9 + 1 + 552 + 70 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731914 + ... + 1507209.

Almost surely, 2^867991552704 is an apocalyptic number.

It is an amenable number.

867991552704 is an abundant number, since it is smaller than the sum of its proper divisors (1623647417272).

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

867991552704 is a wasteful number, since it uses less digits than its factorization.

867991552704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239814 (or 2239801 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 867991552704 in words is "eight hundred sixty-seven billion, nine hundred ninety-one million, five hundred fifty-two thousand, seven hundred four".