79934836 has 6 divisors (see below), whose sum is σ = 139885970. Its totient is φ = 39967416.

The previous prime is 79934809. The next prime is 79934839. The reversal of 79934836 is 63843997.

It can be written as a sum of positive squares in only one way, i.e., 79923600 + 11236 = 8940^2 + 106^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79934836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79934839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9991851 + ... + 9991858.

Almost surely, 2^79934836 is an apocalyptic number.

It is an amenable number.

79934836 is a deficient number, since it is larger than the sum of its proper divisors (59951134).

79934836 is a wasteful number, since it uses less digits than its factorization.

79934836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983713 (or 19983711 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 79934836 is about 8940.6283895485. The cubic root of 79934836 is about 430.7699132413.

The spelling of 79934836 in words is "seventy-nine million, nine hundred thirty-four thousand, eight hundred thirty-six".