797279172 has 48 divisors (see below), whose sum is σ = 1884086400. Its totient is φ = 262386432.

The previous prime is 797279123. The next prime is 797279179. The reversal of 797279172 is 271972797.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (797279179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325938 + ... + 328374.

It is an arithmetic number, because the mean of its divisors is an integer number (39251800).

Almost surely, 2^797279172 is an apocalyptic number.

It is an amenable number.

797279172 is an abundant number, since it is smaller than the sum of its proper divisors (1086807228).

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

797279172 is a wasteful number, since it uses less digits than its factorization.

797279172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its digits is 777924, while the sum is 51.

The square root of 797279172 is about 28236.1323838801. The cubic root of 797279172 is about 927.2641576259.

The spelling of 797279172 in words is "seven hundred ninety-seven million, two hundred seventy-nine thousand, one hundred seventy-two".