68855080 has 32 divisors (see below), whose sum is σ = 177056640. Its totient is φ = 23607360.

The previous prime is 68855071. The next prime is 68855099. The reversal of 68855080 is 8055886.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 122676 + ... + 123235.

It is an arithmetic number, because the mean of its divisors is an integer number (5533020).

Almost surely, 2^68855080 is an apocalyptic number.

It is an amenable number.

68855080 is an abundant number, since it is smaller than the sum of its proper divisors (108201560).

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

68855080 is a wasteful number, since it uses less digits than its factorization.

68855080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245929 (or 245925 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 68855080 is about 8297.8961188966. The cubic root of 68855080 is about 409.8692424594.

The spelling of 68855080 in words is "sixty-eight million, eight hundred fifty-five thousand, eighty".