7901922464 has 48 divisors (see below), whose sum is σ = 16818328800. Its totient is φ = 3641842944.

The previous prime is 7901922419. The next prime is 7901922487. The reversal of 7901922464 is 4642291097.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153134 + ... + 198125.

It is an arithmetic number, because the mean of its divisors is an integer number (350381850).

Almost surely, 2^7901922464 is an apocalyptic number.

7901922464 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7901922464 is an abundant number, since it is smaller than the sum of its proper divisors (8916406336).

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

7901922464 is a wasteful number, since it uses less digits than its factorization.

7901922464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351325 (or 351317 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 7901922464 is about 88892.7582202285. The cubic root of 7901922464 is about 1991.7932426277.

The spelling of 7901922464 in words is "seven billion, nine hundred one million, nine hundred twenty-two thousand, four hundred sixty-four".