80791745 has 8 divisors (see below), whose sum is σ = 97118784. Its totient is φ = 64520944.

The previous prime is 80791721. The next prime is 80791751. The reversal of 80791745 is 54719708.

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 80791745 - 2²² = 76597441 is a prime.

It is a Duffinian 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, 10829 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (12139848).

Almost surely, 2^80791745 is an apocalyptic number.

It is an amenable number.

80791745 is a deficient number, since it is larger than the sum of its proper divisors (16327039).

80791745 is a wasteful number, since it uses less digits than its factorization.

80791745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 80791745 is about 8988.4228316207. The cubic root of 80791745 is about 432.3037433609.

The spelling of 80791745 in words is "eighty million, seven hundred ninety-one thousand, seven hundred forty-five".