64858968 has 80 divisors (see below), whose sum is σ = 183648960. Its totient is φ = 21384000.

The previous prime is 64858957. The next prime is 64858973. The reversal of 64858968 is 86985846.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64953 + ... + 65943.

It is an arithmetic number, because the mean of its divisors is an integer number (2295612).

Almost surely, 2^64858968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64858968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91824480).

64858968 is an abundant number, since it is smaller than the sum of its proper divisors (118789992).

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

64858968 is a wasteful number, since it uses less digits than its factorization.

64858968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1097 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 64858968 is about 8053.5065654658. The cubic root of 64858968 is about 401.7815699077.

The spelling of 64858968 in words is "sixty-four million, eight hundred fifty-eight thousand, nine hundred sixty-eight".