501386738888 has 16 divisors (see below), whose sum is σ = 1074400154880. Its totient is φ = 214880030928.

The previous prime is 501386738873. The next prime is 501386738893. The reversal of 501386738888 is 888837683105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4476667256 + ... + 4476667367.

It is an arithmetic number, because the mean of its divisors is an integer number (67150009680).

Almost surely, 2^501386738888 is an apocalyptic number.

It is an amenable number.

501386738888 is an abundant number, since it is smaller than the sum of its proper divisors (573013415992).

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

501386738888 is a wasteful number, since it uses less digits than its factorization.

501386738888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8953334636 (or 8953334632 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 501386738888 in words is "five hundred one billion, three hundred eighty-six million, seven hundred thirty-eight thousand, eight hundred eighty-eight".