7625907977920 has 56 divisors (see below), whose sum is σ = 18159808215744. Its totient is φ = 3050259910656.

The previous prime is 7625907977873. The next prime is 7625907977929. The reversal of 7625907977920 is 297797095267.

It is a self number, because there is not a number n which added to its sum of digits gives 7625907977920.

It is not an unprimeable number, because it can be changed into a prime (7625907977929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436872 + ... + 10213048.

Almost surely, 2^{7625907977920} is an apocalyptic number.

It is an amenable number.

7625907977920 is an abundant number, since it is smaller than the sum of its proper divisors (10533900237824).

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

7625907977920 is a wasteful number, since it uses less digits than its factorization.

7625907977920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806897 (or 806887 counting only the distinct ones).

The product of its (nonzero) digits is 210039480, while the sum is 70.

The spelling of 7625907977920 in words is "seven trillion, six hundred twenty-five billion, nine hundred seven million, nine hundred seventy-seven thousand, nine hundred twenty".