846572864 has 14 divisors (see below), whose sum is σ = 1679918154. Its totient is φ = 423286400.

The previous prime is 846572833. The next prime is 846572963. The reversal of 846572864 is 468275648.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 645160000 + 201412864 = 25400^2 + 14192^2 .

It is a super-2 number, since 2×846572864² = 1433371228122324992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613787 + ... + 6613914.

Almost surely, 2^846572864 is an apocalyptic number.

It is an amenable number.

846572864 is a deficient number, since it is larger than the sum of its proper divisors (833345290).

846572864 is a wasteful number, since it uses less digits than its factorization.

846572864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13227713 (or 13227703 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The square root of 846572864 is about 29095.9252129916. The cubic root of 846572864 is about 945.9934175859.

The spelling of 846572864 in words is "eight hundred forty-six million, five hundred seventy-two thousand, eight hundred sixty-four".