8464856394 has 16 divisors (see below), whose sum is σ = 17119935360. Its totient is φ = 2789915040.

The previous prime is 8464856347. The next prime is 8464856423. The reversal of 8464856394 is 4936584648.

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, 7925362 + ... + 7926429.

It is an arithmetic number, because the mean of its divisors is an integer number (1069995960).

Almost surely, 2^8464856394 is an apocalyptic number.

8464856394 is an abundant number, since it is smaller than the sum of its proper divisors (8655078966).

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

8464856394 is a wasteful number, since it uses less digits than its factorization.

8464856394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851885.

The product of its digits is 19906560, while the sum is 57.

The square root of 8464856394 is about 92004.6541974916. The cubic root of 8464856394 is about 2038.0110367248.

The spelling of 8464856394 in words is "eight billion, four hundred sixty-four million, eight hundred fifty-six thousand, three hundred ninety-four".