791497945 has 16 divisors (see below), whose sum is σ = 1086104448. Its totient is φ = 542430720.

The previous prime is 791497897. The next prime is 791497961. The reversal of 791497945 is 549794197.

It is not a de Polignac number, because 791497945 - 2⁹ = 791497433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67402 + ... + 78268.

It is an arithmetic number, because the mean of its divisors is an integer number (67881528).

Almost surely, 2^791497945 is an apocalyptic number.

It is an amenable number.

791497945 is a deficient number, since it is larger than the sum of its proper divisors (294606503).

791497945 is a wasteful number, since it uses less digits than its factorization.

791497945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12960.

The product of its digits is 2857680, while the sum is 55.

The square root of 791497945 is about 28133.5732710937. The cubic root of 791497945 is about 925.0174605908.

The spelling of 791497945 in words is "seven hundred ninety-one million, four hundred ninety-seven thousand, nine hundred forty-five".