799156538 has 16 divisors (see below), whose sum is σ = 1246320000. Its totient is φ = 383855472.

The previous prime is 799156531. The next prime is 799156559. The reversal of 799156538 is 835651997.

799156538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 799156538.

It is not an unprimeable number, because it can be changed into a prime (799156531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23078 + ... + 46161.

It is an arithmetic number, because the mean of its divisors is an integer number (77895000).

Almost surely, 2^799156538 is an apocalyptic number.

799156538 is a deficient number, since it is larger than the sum of its proper divisors (447163462).

799156538 is a wasteful number, since it uses less digits than its factorization.

799156538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69469.

The product of its digits is 2041200, while the sum is 53.

The square root of 799156538 is about 28269.3568727695. The cubic root of 799156538 is about 927.9914016804.

The spelling of 799156538 in words is "seven hundred ninety-nine million, one hundred fifty-six thousand, five hundred thirty-eight".