7775264213864 has 64 divisors (see below), whose sum is σ = 16671733733760. Its totient is φ = 3330166245120.

The previous prime is 7775264213831. The next prime is 7775264213881. The reversal of 7775264213864 is 4683124625777.

It is a junction number, because it is equal to n+sod(n) for n = 7775264213797 and 7775264213806.

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, 906098054 + ... + 906106634.

It is an arithmetic number, because the mean of its divisors is an integer number (260495839590).

Almost surely, 2^{7775264213864} is an apocalyptic number.

It is an amenable number.

7775264213864 is an abundant number, since it is smaller than the sum of its proper divisors (8896469519896).

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

7775264213864 is a wasteful number, since it uses less digits than its factorization.

7775264213864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16858 (or 16854 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 7775264213864 in words is "seven trillion, seven hundred seventy-five billion, two hundred sixty-four million, two hundred thirteen thousand, eight hundred sixty-four".