7477904862872 has 64 divisors (see below), whose sum is σ = 14527032791040. Its totient is φ = 3604934592000.

The previous prime is 7477904862853. The next prime is 7477904862893. The reversal of 7477904862872 is 2782684097747.

It is a super-2 number, since 2×7477904862872² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7477904862796 and 7477904862805.

It is a congruent number.

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, 178974848 + ... + 179016624.

It is an arithmetic number, because the mean of its divisors is an integer number (226984887360).

Almost surely, 2^{7477904862872} is an apocalyptic number.

It is an amenable number.

7477904862872 is a deficient number, since it is larger than the sum of its proper divisors (7049127928168).

7477904862872 is a wasteful number, since it uses less digits than its factorization.

7477904862872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44472 (or 44468 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 71.

The spelling of 7477904862872 in words is "seven trillion, four hundred seventy-seven billion, nine hundred four million, eight hundred sixty-two thousand, eight hundred seventy-two".