64808788 has 12 divisors (see below), whose sum is σ = 123725952. Its totient is φ = 29458520.

The previous prime is 64808767. The next prime is 64808789. The reversal of 64808788 is 88780846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64808789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736420 + ... + 736507.

It is an arithmetic number, because the mean of its divisors is an integer number (10310496).

Almost surely, 2^64808788 is an apocalyptic number.

It is an amenable number.

64808788 is a deficient number, since it is larger than the sum of its proper divisors (58917164).

64808788 is a wasteful number, since it uses less digits than its factorization.

64808788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472942 (or 1472940 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The square root of 64808788 is about 8050.3905495324. The cubic root of 64808788 is about 401.6779265642.

The spelling of 64808788 in words is "sixty-four million, eight hundred eight thousand, seven hundred eighty-eight".