64387808704862 has 16 divisors (see below), whose sum is σ = 101665288032000. Its totient is φ = 30499390258200.

The previous prime is 64387808704829. The next prime is 64387808704907. The reversal of 64387808704862 is 26840780878346.

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, 10022987 + ... + 15140537.

It is an arithmetic number, because the mean of its divisors is an integer number (6354080502000).

Almost surely, 2^{64387808704862} is an apocalyptic number.

64387808704862 is a deficient number, since it is larger than the sum of its proper divisors (37277479327138).

64387808704862 is a wasteful number, since it uses less digits than its factorization.

64387808704862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448671.

The product of its (nonzero) digits is 693633024, while the sum is 71.

The spelling of 64387808704862 in words is "sixty-four trillion, three hundred eighty-seven billion, eight hundred eight million, seven hundred four thousand, eight hundred sixty-two".