64333326864 has 40 divisors (see below), whose sum is σ = 173420275392. Its totient is φ = 20512074880.

The previous prime is 64333326859. The next prime is 64333326913. The reversal of 64333326864 is 46862333346.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits.

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, 29135367 + ... + 29137574.

Almost surely, 2^64333326864 is an apocalyptic number.

It is an amenable number.

64333326864 is an abundant number, since it is smaller than the sum of its proper divisors (109086948528).

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

64333326864 is a wasteful number, since it uses less digits than its factorization.

64333326864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58272975 (or 58272969 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 48.

The spelling of 64333326864 in words is "sixty-four billion, three hundred thirty-three million, three hundred twenty-six thousand, eight hundred sixty-four".