80475651 has 12 divisors (see below), whose sum is σ = 117372528. Its totient is φ = 53128944.

The previous prime is 80475623. The next prime is 80475679. The reversal of 80475651 is 15657408.

It is an interprime number because it is at equal distance from previous prime (80475623) and next prime (80475679).

It is not a de Polignac number, because 80475651 - 2⁷ = 80475523 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80475751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42480 + ... + 44333.

It is an arithmetic number, because the mean of its divisors is an integer number (9781044).

Almost surely, 2^80475651 is an apocalyptic number.

80475651 is a deficient number, since it is larger than the sum of its proper divisors (36896877).

80475651 is a wasteful number, since it uses less digits than its factorization.

80475651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86922 (or 86919 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 80475651 is about 8970.8222031205. The cubic root of 80475651 is about 431.7392169632.

The spelling of 80475651 in words is "eighty million, four hundred seventy-five thousand, six hundred fifty-one".