80499996 has 18 divisors (see below), whose sum is σ = 203486192. Its totient is φ = 26833320.

The previous prime is 80499971. The next prime is 80499997. The reversal of 80499996 is 69999408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80499997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118020 + ... + 1118091.

Almost surely, 2^80499996 is an apocalyptic number.

It is an amenable number.

80499996 is an abundant number, since it is smaller than the sum of its proper divisors (122986196).

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

80499996 is a wasteful number, since it uses less digits than its factorization.

80499996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236121 (or 2236116 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 80499996 is about 8972.1789995519. The cubic root of 80499996 is about 431.7827482732.

The spelling of 80499996 in words is "eighty million, four hundred ninety-nine thousand, nine hundred ninety-six".