7912778466832 has 80 divisors (see below), whose sum is σ = 16736435799552. Its totient is φ = 3613515530240.

The previous prime is 7912778466823. The next prime is 7912778466863. The reversal of 7912778466832 is 2386648772197.

It is a super-2 number, since 2×7912778466832² (a number of 27 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, 4870033 + ... + 6288304.

Almost surely, 2^{7912778466832} is an apocalyptic number.

It is an amenable number.

7912778466832 is an abundant number, since it is smaller than the sum of its proper divisors (8823657332720).

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

7912778466832 is a wasteful number, since it uses less digits than its factorization.

7912778466832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158456 (or 11158450 counting only the distinct ones).

The product of its digits is 341397504, while the sum is 70.

The spelling of 7912778466832 in words is "seven trillion, nine hundred twelve billion, seven hundred seventy-eight million, four hundred sixty-six thousand, eight hundred thirty-two".