64708964785862 has 16 divisors (see below), whose sum is σ = 103790616790752. Its totient is φ = 30149779747200.

The previous prime is 64708964785807. The next prime is 64708964785909. The reversal of 64708964785862 is 26858746980746.

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, 9421802738 + ... + 9421809605.

It is an arithmetic number, because the mean of its divisors is an integer number (6486913549422).

Almost surely, 2^{64708964785862} is an apocalyptic number.

64708964785862 is a deficient number, since it is larger than the sum of its proper divisors (39081652004890).

64708964785862 is a wasteful number, since it uses less digits than its factorization.

64708964785862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18843612463.

The product of its (nonzero) digits is 7803371520, while the sum is 80.

The spelling of 64708964785862 in words is "sixty-four trillion, seven hundred eight billion, nine hundred sixty-four million, seven hundred eighty-five thousand, eight hundred sixty-two".