64757876005 has 8 divisors (see below), whose sum is σ = 79809706872. Its totient is φ = 50406130368.

The previous prime is 64757875999. The next prime is 64757876039. The reversal of 64757876005 is 50067875746.

It can be written as a sum of positive squares in 4 ways, for example, as 23539537476 + 41218338529 = 153426^2 + 203023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64757876005 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 175021102 + ... + 175021471.

It is an arithmetic number, because the mean of its divisors is an integer number (9976213359).

Almost surely, 2^64757876005 is an apocalyptic number.

It is an amenable number.

64757876005 is a deficient number, since it is larger than the sum of its proper divisors (15051830867).

64757876005 is a wasteful number, since it uses less digits than its factorization.

64757876005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350042615.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 64757876005 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-six thousand, five".