68680674880 has 28 divisors (see below), whose sum is σ = 163545857820. Its totient is φ = 27472269824.

The previous prime is 68680674841. The next prime is 68680674893. The reversal of 68680674880 is 8847608686.

It can be written as a sum of positive squares in 2 ways, for example, as 27614462976 + 41066211904 = 166176^2 + 202648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107313235 + ... + 107313874.

Almost surely, 2^68680674880 is an apocalyptic number.

It is an amenable number.

68680674880 is an abundant number, since it is smaller than the sum of its proper divisors (94865182940).

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

68680674880 is a wasteful number, since it uses less digits than its factorization.

68680674880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214627126 (or 214627116 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 68680674880 in words is "sixty-eight billion, six hundred eighty million, six hundred seventy-four thousand, eight hundred eighty".