68908291588 has 24 divisors (see below), whose sum is σ = 122564280384. Its totient is φ = 33891396000.

The previous prime is 68908291579. The next prime is 68908291619. The reversal of 68908291588 is 88519280986.

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, 4473 + ... + 371263.

It is an arithmetic number, because the mean of its divisors is an integer number (5106845016).

Almost surely, 2^68908291588 is an apocalyptic number.

It is an amenable number.

68908291588 is a deficient number, since it is larger than the sum of its proper divisors (53655988796).

68908291588 is a wasteful number, since it uses less digits than its factorization.

68908291588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367563 (or 367561 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 68908291588 in words is "sixty-eight billion, nine hundred eight million, two hundred ninety-one thousand, five hundred eighty-eight".