80981596 has 6 divisors (see below), whose sum is σ = 141717800. Its totient is φ = 40490796.

The previous prime is 80981573. The next prime is 80981609. The reversal of 80981596 is 69518908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122696 + ... + 10122703.

Almost surely, 2^80981596 is an apocalyptic number.

It is an amenable number.

80981596 is a deficient number, since it is larger than the sum of its proper divisors (60736204).

80981596 is a wasteful number, since it uses less digits than its factorization.

80981596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245403 (or 20245401 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 80981596 is about 8998.9774974716. The cubic root of 80981596 is about 432.6420992754.

The spelling of 80981596 in words is "eighty million, nine hundred eighty-one thousand, five hundred ninety-six".