68575577620 has 48 divisors (see below), whose sum is σ = 157636741248. Its totient is φ = 24851442560.

The previous prime is 68575577591. The next prime is 68575577627. The reversal of 68575577620 is 2677557586.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68575577627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467464 + ... + 596383.

It is an arithmetic number, because the mean of its divisors is an integer number (3284098776).

Almost surely, 2^68575577620 is an apocalyptic number.

It is an amenable number.

68575577620 is an abundant number, since it is smaller than the sum of its proper divisors (89061163628).

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

68575577620 is a wasteful number, since it uses less digits than its factorization.

68575577620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064160 (or 1064158 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 68575577620 in words is "sixty-eight billion, five hundred seventy-five million, five hundred seventy-seven thousand, six hundred twenty".