79802860036 has 27 divisors (see below), whose sum is σ = 140818409557. Its totient is φ = 39571759520.

The previous prime is 79802860019. The next prime is 79802860037. The reversal of 79802860036 is 63006820897.

The square root of 79802860036 is 282494.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 46876580100 + 32926279936 = 216510^2 + 181456^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79802860037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 77402841 + ... + 77403871.

Almost surely, 2^79802860036 is an apocalyptic number.

79802860036 is the 282494-th square number.

It is an amenable number.

79802860036 is a deficient number, since it is larger than the sum of its proper divisors (61015549521).

79802860036 is an equidigital number, since it uses as much as digits as its factorization.

79802860036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 79802860036 by its sum of digits (49), we get a square (3910340141764 = 1977458²).

The spelling of 79802860036 in words is "seventy-nine billion, eight hundred two million, eight hundred sixty thousand, thirty-six".