791976945 has 16 divisors (see below), whose sum is σ = 1267512192. Its totient is φ = 422271360.

The previous prime is 791976937. The next prime is 791976961. The reversal of 791976945 is 549679197.

It is not a de Polignac number, because 791976945 - 2³ = 791976937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100965 + ... + 108525.

It is an arithmetic number, because the mean of its divisors is an integer number (79219512).

Almost surely, 2^791976945 is an apocalyptic number.

It is an amenable number.

791976945 is a deficient number, since it is larger than the sum of its proper divisors (475535247).

791976945 is a wasteful number, since it uses less digits than its factorization.

791976945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552.

The product of its digits is 4286520, while the sum is 57.

The square root of 791976945 is about 28142.0849440833. The cubic root of 791976945 is about 925.2040241460.

The spelling of 791976945 in words is "seven hundred ninety-one million, nine hundred seventy-six thousand, nine hundred forty-five".