64876488 has 64 divisors (see below), whose sum is σ = 180792000. Its totient is φ = 19279872.

The previous prime is 64876457. The next prime is 64876501. The reversal of 64876488 is 88467846.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 64876488.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (2824875).

Almost surely, 2^64876488 is an apocalyptic number.

64876488 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64876488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90396000).

64876488 is an abundant number, since it is smaller than the sum of its proper divisors (115915512).

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

64876488 is a wasteful number, since it uses less digits than its factorization.

64876488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414 (or 8410 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The square root of 64876488 is about 8054.5942169671. The cubic root of 64876488 is about 401.8177436736.

The spelling of 64876488 in words is "sixty-four million, eight hundred seventy-six thousand, four hundred eighty-eight".