80197880 has 32 divisors (see below), whose sum is σ = 206223840. Its totient is φ = 27496320.

The previous prime is 80197867. The next prime is 80197903. The reversal of 80197880 is 8879108.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 142931 + ... + 143490.

It is an arithmetic number, because the mean of its divisors is an integer number (6444495).

Almost surely, 2^80197880 is an apocalyptic number.

It is an amenable number.

80197880 is an abundant number, since it is smaller than the sum of its proper divisors (126025960).

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

80197880 is a wasteful number, since it uses less digits than its factorization.

80197880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286439 (or 286435 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 80197880 is about 8955.3269063725. The cubic root of 80197880 is about 431.2419117716.

The spelling of 80197880 in words is "eighty million, one hundred ninety-seven thousand, eight hundred eighty".