64879552 has 28 divisors (see below), whose sum is σ = 131490720. Its totient is φ = 31748096.

The previous prime is 64879543. The next prime is 64879567. The reversal of 64879552 is 25597846.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7777 + ... + 13792.

Almost surely, 2^64879552 is an apocalyptic number.

It is an amenable number.

64879552 is an abundant number, since it is smaller than the sum of its proper divisors (66611168).

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

64879552 is a wasteful number, since it uses less digits than its factorization.

64879552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21628 (or 21618 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 64879552 is about 8054.7844167302. The cubic root of 64879552 is about 401.8240692842.

It can be divided in two parts, 648 and 79552, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 64879552 in words is "sixty-four million, eight hundred seventy-nine thousand, five hundred fifty-two".