80400068 has 24 divisors (see below), whose sum is σ = 161515200. Its totient is φ = 34303968.

The previous prime is 80400059. The next prime is 80400091. The reversal of 80400068 is 86000408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (6729800).

Almost surely, 2^80400068 is an apocalyptic number.

It is an amenable number.

80400068 is an abundant number, since it is smaller than the sum of its proper divisors (81115132).

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

80400068 is a wasteful number, since it uses less digits than its factorization.

80400068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12779 (or 12777 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80400068 is about 8966.6085004309. The cubic root of 80400068 is about 431.6040109879.

The spelling of 80400068 in words is "eighty million, four hundred thousand, sixty-eight".