80400475 has 12 divisors (see below), whose sum is σ = 99946480. Its totient is φ = 64159200.

The previous prime is 80400451. The next prime is 80400493. The reversal of 80400475 is 57400408.

It is not a de Polignac number, because 80400475 - 2⁵ = 80400443 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 6706 + ... + 14344.

Almost surely, 2^80400475 is an apocalyptic number.

80400475 is a deficient number, since it is larger than the sum of its proper divisors (19546005).

80400475 is a wasteful number, since it uses less digits than its factorization.

80400475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 80400475 is about 8966.6311957167. The cubic root of 80400475 is about 431.6047392731.

The spelling of 80400475 in words is "eighty million, four hundred thousand, four hundred seventy-five".