64648884 has 24 divisors (see below), whose sum is σ = 150978688. Its totient is φ = 21530880.

The previous prime is 64648867. The next prime is 64648901. The reversal of 64648884 is 48884646.

It is an interprime number because it is at equal distance from previous prime (64648867) and next prime (64648901).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22869 + ... + 25539.

Almost surely, 2^64648884 is an apocalyptic number.

It is an amenable number.

64648884 is an abundant number, since it is smaller than the sum of its proper divisors (86329804).

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

64648884 is a wasteful number, since it uses less digits than its factorization.

64648884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4693 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 64648884 is about 8040.4529723144. The cubic root of 64648884 is about 401.3472985382.

The spelling of 64648884 in words is "sixty-four million, six hundred forty-eight thousand, eight hundred eighty-four".