64238888 has 32 divisors (see below), whose sum is σ = 138499200. Its totient is φ = 27362112.

The previous prime is 64238887. The next prime is 64238893. The reversal of 64238888 is 88883246.

It is not an unprimeable number, because it can be changed into a prime (64238887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5918 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (4328100).

Almost surely, 2^64238888 is an apocalyptic number.

It is an amenable number.

64238888 is an abundant number, since it is smaller than the sum of its proper divisors (74260312).

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

64238888 is a wasteful number, since it uses less digits than its factorization.

64238888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049 (or 7045 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 64238888 is about 8014.9165934525. The cubic root of 64238888 is about 400.4970653925.

The spelling of 64238888 in words is "sixty-four million, two hundred thirty-eight thousand, eight hundred eighty-eight".