80791015 has 8 divisors (see below), whose sum is σ = 97437600. Its totient is φ = 64307232.

The previous prime is 80791003. The next prime is 80791031. The reversal of 80791015 is 51019708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80791015 - 2⁷ = 80790887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39604 + ... + 41593.

It is an arithmetic number, because the mean of its divisors is an integer number (12179700).

Almost surely, 2^80791015 is an apocalyptic number.

80791015 is a deficient number, since it is larger than the sum of its proper divisors (16646585).

80791015 is a wasteful number, since it uses less digits than its factorization.

80791015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81401.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 80791015 is about 8988.3822237375. The cubic root of 80791015 is about 432.3024413192.

The spelling of 80791015 in words is "eighty million, seven hundred ninety-one thousand, fifteen".