80699696 has 80 divisors (see below), whose sum is σ = 201320448. Its totient is φ = 30412800.

The previous prime is 80699687. The next prime is 80699711. The reversal of 80699696 is 69699608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37136 + ... + 39248.

Almost surely, 2^80699696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80699696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100660224).

80699696 is an abundant number, since it is smaller than the sum of its proper divisors (120620752).

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

80699696 is a wasteful number, since it uses less digits than its factorization.

80699696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 80699696 is about 8983.3009523226. The cubic root of 80699696 is about 432.1395011295.

The spelling of 80699696 in words is "eighty million, six hundred ninety-nine thousand, six hundred ninety-six".