80157696 has 88 divisors (see below), whose sum is σ = 216654480. Its totient is φ = 26345472.

The previous prime is 80157683. The next prime is 80157733. The reversal of 80157696 is 69675108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297850 + ... + 298118.

Almost surely, 2^80157696 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 80157696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108327240).

80157696 is an abundant number, since it is smaller than the sum of its proper divisors (136496784).

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

80157696 is a wasteful number, since it uses less digits than its factorization.

80157696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 80157696 is about 8953.0830444043. The cubic root of 80157696 is about 431.1698736242.

The spelling of 80157696 in words is "eighty million, one hundred fifty-seven thousand, six hundred ninety-six".