797170656 has 24 divisors (see below), whose sum is σ = 2092573224. Its totient is φ = 265723520.

The previous prime is 797170637. The next prime is 797170687. The reversal of 797170656 is 656071797.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 4151835 + ... + 4152026.

It is an arithmetic number, because the mean of its divisors is an integer number (87190551).

Almost surely, 2^797170656 is an apocalyptic number.

It is an amenable number.

797170656 is an abundant number, since it is smaller than the sum of its proper divisors (1295402568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797170656 is a wasteful number, since it uses less digits than its factorization.

797170656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303874 (or 8303866 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 797170656 is about 28234.2107380391. The cubic root of 797170656 is about 927.2220863889. Note that the first 3 decimals are identical.

The spelling of 797170656 in words is "seven hundred ninety-seven million, one hundred seventy thousand, six hundred fifty-six".