64579094880 has 48 divisors (see below), whose sum is σ = 203424150384. Its totient is φ = 17221091840.

The previous prime is 64579094869. The next prime is 64579094887. The reversal of 64579094880 is 8849097546.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64579094887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67269411 + ... + 67270370.

It is an arithmetic number, because the mean of its divisors is an integer number (4238003133).

Almost surely, 2^64579094880 is an apocalyptic number.

64579094880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64579094880 is an abundant number, since it is smaller than the sum of its proper divisors (138845055504).

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

64579094880 is a wasteful number, since it uses less digits than its factorization.

64579094880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134539799 (or 134539791 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 64579094880 in words is "sixty-four billion, five hundred seventy-nine million, ninety-four thousand, eight hundred eighty".