64713839076 has 144 divisors (see below), whose sum is σ = 170701160448. Its totient is φ = 20648779200.

The previous prime is 64713839063. The next prime is 64713839087. The reversal of 64713839076 is 67093831746.

64713839076 is a `hidden beast` number, since 6 + 471 + 3 + 83 + 90 + 7 + 6 = 666.

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 47 ways as a sum of consecutive naturals, for example, 79794711 + ... + 79795521.

Almost surely, 2^64713839076 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 64713839076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85350580224).

64713839076 is an abundant number, since it is smaller than the sum of its proper divisors (105987321372).

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

64713839076 is a wasteful number, since it uses less digits than its factorization.

64713839076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 64713839076 in words is "sixty-four billion, seven hundred thirteen million, eight hundred thirty-nine thousand, seventy-six".