80297980 has 24 divisors (see below), whose sum is σ = 192715488. Its totient is φ = 27530688.

The previous prime is 80297977. The next prime is 80297981. The reversal of 80297980 is 8979208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80297981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286639 + ... + 286918.

It is an arithmetic number, because the mean of its divisors is an integer number (8029812).

Almost surely, 2^80297980 is an apocalyptic number.

It is an amenable number.

80297980 is an abundant number, since it is smaller than the sum of its proper divisors (112417508).

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

80297980 is a wasteful number, since it uses less digits than its factorization.

80297980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573573 (or 573571 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 80297980 is about 8960.9140158803. The cubic root of 80297980 is about 431.4212571935.

The spelling of 80297980 in words is "eighty million, two hundred ninety-seven thousand, nine hundred eighty".