68820404908 has 6 divisors (see below), whose sum is σ = 120435708596. Its totient is φ = 34410202452.

The previous prime is 68820404903. The next prime is 68820404927. The reversal of 68820404908 is 80940402886.

It is not an unprimeable number, because it can be changed into a prime (68820404903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8602550610 + ... + 8602550617.

Almost surely, 2^68820404908 is an apocalyptic number.

It is an amenable number.

68820404908 is a deficient number, since it is larger than the sum of its proper divisors (51615303688).

68820404908 is a wasteful number, since it uses less digits than its factorization.

68820404908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17205101231 (or 17205101229 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 68820404908 in words is "sixty-eight billion, eight hundred twenty million, four hundred four thousand, nine hundred eight".