80936363136 has 32 divisors (see below), whose sum is σ = 214987215600. Its totient is φ = 26978787584.

The previous prime is 80936363111. The next prime is 80936363141. The reversal of 80936363136 is 63136363908.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105385506 + ... + 105386273.

Almost surely, 2^80936363136 is an apocalyptic number.

It is an amenable number.

80936363136 is an abundant number, since it is smaller than the sum of its proper divisors (134050852464).

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

80936363136 is a wasteful number, since it uses less digits than its factorization.

80936363136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210771796 (or 210771784 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 48.

The spelling of 80936363136 in words is "eighty billion, nine hundred thirty-six million, three hundred sixty-three thousand, one hundred thirty-six".