652656879 has 64 divisors (see below), whose sum is σ = 1136332800. Its totient is φ = 362535264.

The previous prime is 652656839. The next prime is 652656889. The reversal of 652656879 is 978656256.

It is a happy number.

652656879 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 568 + 79 = 666.

It is not a de Polignac number, because 652656879 - 2¹² = 652652783 is a prime.

It is a super-2 number, since 2×652656879² = 851922003412041282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652656839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1192884 + ... + 1193430.

It is an arithmetic number, because the mean of its divisors is an integer number (17755200).

Almost surely, 2^652656879 is an apocalyptic number.

652656879 is a deficient number, since it is larger than the sum of its proper divisors (483675921).

652656879 is a wasteful number, since it uses less digits than its factorization.

652656879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 723 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 652656879 is about 25547.1501150324. The cubic root of 652656879 is about 867.4177534441.

The spelling of 652656879 in words is "six hundred fifty-two million, six hundred fifty-six thousand, eight hundred seventy-nine".