797540164 has 6 divisors (see below), whose sum is σ = 1395695294. Its totient is φ = 398770080.

The previous prime is 797540153. The next prime is 797540171. The reversal of 797540164 is 461045797.

It can be written as a sum of positive squares in only one way, i.e., 696537664 + 101002500 = 26392^2 + 10050^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 797540164.

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 as a sum of consecutive naturals, namely, 99692517 + ... + 99692524.

Almost surely, 2^797540164 is an apocalyptic number.

It is an amenable number.

797540164 is a deficient number, since it is larger than the sum of its proper divisors (598155130).

797540164 is a wasteful number, since it uses less digits than its factorization.

797540164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199385045 (or 199385043 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 797540164 is about 28240.7536018429. The cubic root of 797540164 is about 927.3653275936.

The spelling of 797540164 in words is "seven hundred ninety-seven million, five hundred forty thousand, one hundred sixty-four".