79045866 has 12 divisors (see below), whose sum is σ = 171266082. Its totient is φ = 26348616.

The previous prime is 79045861. The next prime is 79045867. The reversal of 79045866 is 66854097.

It can be written as a sum of positive squares in only one way, i.e., 60512841 + 18533025 = 7779^2 + 4305^2 .

It is not an unprimeable number, because it can be changed into a prime (79045861) 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 5 ways as a sum of consecutive naturals, for example, 2195701 + ... + 2195736.

Almost surely, 2^79045866 is an apocalyptic number.

79045866 is an abundant number, since it is smaller than the sum of its proper divisors (92220216).

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

79045866 is a wasteful number, since it uses less digits than its factorization.

79045866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391445 (or 4391442 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 79045866 is about 8890.7742070081. The cubic root of 79045866 is about 429.1670661678.

It can be divided in two parts, 790 and 45866, that added together give a 6-th power (46656 = 6⁶).

The spelling of 79045866 in words is "seventy-nine million, forty-five thousand, eight hundred sixty-six".