64794884004 has 36 divisors (see below), whose sum is σ = 163842726684. Its totient is φ = 21590955072.

The previous prime is 64794883973. The next prime is 64794884029. The reversal of 64794884004 is 40048849746.

It can be written as a sum of positive squares in 2 ways, for example, as 15997190400 + 48797693604 = 126480^2 + 220902^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197887 + ... + 410790.

Almost surely, 2^64794884004 is an apocalyptic number.

It is an amenable number.

64794884004 is an abundant number, since it is smaller than the sum of its proper divisors (99047842680).

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

64794884004 is a wasteful number, since it uses less digits than its factorization.

64794884004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611644 (or 611639 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 64794884004 in words is "sixty-four billion, seven hundred ninety-four million, eight hundred eighty-four thousand, four".