80766439036 has 24 divisors (see below), whose sum is σ = 141576876000. Its totient is φ = 40315952064.

The previous prime is 80766439021. The next prime is 80766439129. The reversal of 80766439036 is 63093466708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355570 + ... + 9364198.

It is an arithmetic number, because the mean of its divisors is an integer number (5899036500).

Almost surely, 2^80766439036 is an apocalyptic number.

It is an amenable number.

80766439036 is a deficient number, since it is larger than the sum of its proper divisors (60810436964).

80766439036 is a wasteful number, since it uses less digits than its factorization.

80766439036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261 (or 12259 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 80766439036 in words is "eighty billion, seven hundred sixty-six million, four hundred thirty-nine thousand, thirty-six".