80037784136 has 16 divisors (see below), whose sum is σ = 150334598700. Its totient is φ = 39948557824.

The previous prime is 80037784087. The next prime is 80037784193. The reversal of 80037784136 is 63148773008.

It can be written as a sum of positive squares in 2 ways, for example, as 79665062500 + 372721636 = 282250^2 + 19306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786945 + ... + 8796048.

Almost surely, 2^80037784136 is an apocalyptic number.

It is an amenable number.

80037784136 is a deficient number, since it is larger than the sum of its proper divisors (70296814564).

80037784136 is a wasteful number, since it uses less digits than its factorization.

80037784136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17583568 (or 17583564 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 80037784136 in words is "eighty billion, thirty-seven million, seven hundred eighty-four thousand, one hundred thirty-six".