65625888 has 24 divisors (see below), whose sum is σ = 172268208. Its totient is φ = 21875264.

The previous prime is 65625883. The next prime is 65625929. The reversal of 65625888 is 88852656.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (65625883) 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, 341706 + ... + 341897.

It is an arithmetic number, because the mean of its divisors is an integer number (7177842).

Almost surely, 2^65625888 is an apocalyptic number.

It is an amenable number.

65625888 is an abundant number, since it is smaller than the sum of its proper divisors (106642320).

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

65625888 is a wasteful number, since it uses less digits than its factorization.

65625888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683616 (or 683608 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 65625888 is about 8100.9806813743. The cubic root of 65625888 is about 403.3589808308.

The spelling of 65625888 in words is "sixty-five million, six hundred twenty-five thousand, eight hundred eighty-eight".