80781732076 has 12 divisors (see below), whose sum is σ = 144655660072. Its totient is φ = 39451543488.

The previous prime is 80781732049. The next prime is 80781732089. The reversal of 80781732076 is 67023718708.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 234830445 + ... + 234830788.

Almost surely, 2^80781732076 is an apocalyptic number.

80781732076 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

80781732076 is a deficient number, since it is larger than the sum of its proper divisors (63873927996).

80781732076 is a wasteful number, since it uses less digits than its factorization.

80781732076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469661280 (or 469661278 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 80781732076 in words is "eighty billion, seven hundred eighty-one million, seven hundred thirty-two thousand, seventy-six".