608723912538 has 32 divisors (see below), whose sum is σ = 1545965493120. Its totient is φ = 173921117760.

The previous prime is 608723912479. The next prime is 608723912549. The reversal of 608723912538 is 835219327806.

608723912538 is a `hidden beast` number, since 6 + 0 + 8 + 72 + 39 + 1 + 2 + 538 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805189983 + ... + 805190738.

It is an arithmetic number, because the mean of its divisors is an integer number (48311421660).

Almost surely, 2^608723912538 is an apocalyptic number.

608723912538 is an abundant number, since it is smaller than the sum of its proper divisors (937241580582).

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

608723912538 is a wasteful number, since it uses less digits than its factorization.

608723912538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610380739 (or 1610380733 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 608723912538 in words is "six hundred eight billion, seven hundred twenty-three million, nine hundred twelve thousand, five hundred thirty-eight".