797966785 has 32 divisors (see below), whose sum is σ = 1200614400. Its totient is φ = 494612160.

The previous prime is 797966779. The next prime is 797966831. The reversal of 797966785 is 587669797.

It is not a de Polignac number, because 797966785 - 2³ = 797966777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63126 + ... + 74704.

It is an arithmetic number, because the mean of its divisors is an integer number (37519200).

Almost surely, 2^797966785 is an apocalyptic number.

It is an amenable number.

797966785 is a deficient number, since it is larger than the sum of its proper divisors (402647615).

797966785 is a wasteful number, since it uses less digits than its factorization.

797966785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781.

The product of its digits is 40007520, while the sum is 64.

The square root of 797966785 is about 28248.3058784062. The cubic root of 797966785 is about 927.5306538547.

The spelling of 797966785 in words is "seven hundred ninety-seven million, nine hundred sixty-six thousand, seven hundred eighty-five".