456178868 has 6 divisors (see below), whose sum is σ = 798313026. Its totient is φ = 228089432.

The previous prime is 456178837. The next prime is 456178927. The reversal of 456178868 is 868871654.

It can be written as a sum of positive squares in only one way, i.e., 455310244 + 868624 = 21338^2 + 932^2 .

It is a super-2 number, since 2×456178868² = 416198319219522848, 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, 57022355 + ... + 57022362.

It is an arithmetic number, because the mean of its divisors is an integer number (133052171).

Almost surely, 2^456178868 is an apocalyptic number.

It is an amenable number.

456178868 is a deficient number, since it is larger than the sum of its proper divisors (342134158).

456178868 is a wasteful number, since it uses less digits than its factorization.

456178868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114044721 (or 114044719 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 456178868 is about 21358.3442242136. The cubic root of 456178868 is about 769.8008525294.

The spelling of 456178868 in words is "four hundred fifty-six million, one hundred seventy-eight thousand, eight hundred sixty-eight".