80470917 has 12 divisors (see below), whose sum is σ = 116328940. Its totient is φ = 53604288.

The previous prime is 80470849. The next prime is 80470919. The reversal of 80470917 is 71907408.

It can be written as a sum of positive squares in 2 ways, for example, as 77422401 + 3048516 = 8799^2 + 1746^2 .

It is not a de Polignac number, because 80470917 - 2⁸ = 80470661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80470919) 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, 11703 + ... + 17259.

Almost surely, 2^80470917 is an apocalyptic number.

It is an amenable number.

80470917 is a deficient number, since it is larger than the sum of its proper divisors (35858023).

80470917 is a wasteful number, since it uses less digits than its factorization.

80470917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7169 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 80470917 is about 8970.5583438268. The cubic root of 80470917 is about 431.7307510753.

The spelling of 80470917 in words is "eighty million, four hundred seventy thousand, nine hundred seventeen".