75997839867072 has 112 divisors (see below), whose sum is σ = 211032958314240. Its totient is φ = 24091130364928.

The previous prime is 75997839867031. The next prime is 75997839867107. The reversal of 75997839867072 is 27076893879957.

It is a super-2 number, since 2×75997839867072² (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 75997839867072.

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, 48974922 + ... + 50502857.

Almost surely, 2^{75997839867072} is an apocalyptic number.

It is an amenable number.

75997839867072 is an abundant number, since it is smaller than the sum of its proper divisors (135035118447168).

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

75997839867072 is a wasteful number, since it uses less digits than its factorization.

75997839867072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99477990 (or 99477980 counting only the distinct ones).

The product of its (nonzero) digits is 20163790080, while the sum is 87.

The spelling of 75997839867072 in words is "seventy-five trillion, nine hundred ninety-seven billion, eight hundred thirty-nine million, eight hundred sixty-seven thousand, seventy-two".