7897796466 has 16 divisors (see below), whose sum is σ = 18052106304. Its totient is φ = 2256513264.

The previous prime is 7897796449. The next prime is 7897796477. The reversal of 7897796466 is 6646977987.

It is a self number, because there is not a number n which added to its sum of digits gives 7897796466.

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, 94021345 + ... + 94021428.

It is an arithmetic number, because the mean of its divisors is an integer number (1128256644).

Almost surely, 2^7897796466 is an apocalyptic number.

7897796466 is an abundant number, since it is smaller than the sum of its proper divisors (10154309838).

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

7897796466 is a wasteful number, since it uses less digits than its factorization.

7897796466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188042785.

The product of its digits is 192036096, while the sum is 69.

The square root of 7897796466 is about 88869.5474614336. The cubic root of 7897796466 is about 1991.4465098861.

The spelling of 7897796466 in words is "seven billion, eight hundred ninety-seven million, seven hundred ninety-six thousand, four hundred sixty-six".