64578008362 has 24 divisors (see below), whose sum is σ = 117581258016. Its totient is φ = 26472971448.

The previous prime is 64578008359. The next prime is 64578008371. The reversal of 64578008362 is 26380087546.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14322948 + ... + 14327455.

It is an arithmetic number, because the mean of its divisors is an integer number (4899219084).

Almost surely, 2^64578008362 is an apocalyptic number.

64578008362 is a deficient number, since it is larger than the sum of its proper divisors (53003249654).

64578008362 is a wasteful number, since it uses less digits than its factorization.

64578008362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28650442 (or 28650435 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 64578008362 in words is "sixty-four billion, five hundred seventy-eight million, eight thousand, three hundred sixty-two".