80347959 has 6 divisors (see below), whose sum is σ = 116058176. Its totient is φ = 53565300.

The previous prime is 80347937. The next prime is 80347963. The reversal of 80347959 is 95974308.

It is not a de Polignac number, because 80347959 - 2⁸ = 80347703 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 (80347999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4463767 + ... + 4463784.

Almost surely, 2^80347959 is an apocalyptic number.

80347959 is a deficient number, since it is larger than the sum of its proper divisors (35710217).

80347959 is a wasteful number, since it uses less digits than its factorization.

80347959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927557 (or 8927554 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 80347959 is about 8963.7023042937. The cubic root of 80347959 is about 431.5107469126.

The spelling of 80347959 in words is "eighty million, three hundred forty-seven thousand, nine hundred fifty-nine".