80911480 has 32 divisors (see below), whose sum is σ = 196056000. Its totient is φ = 29874816.

The previous prime is 80911459. The next prime is 80911499. The reversal of 80911480 is 8411908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77280 + ... + 78319.

It is an arithmetic number, because the mean of its divisors is an integer number (6126750).

Almost surely, 2^80911480 is an apocalyptic number.

It is an amenable number.

80911480 is an abundant number, since it is smaller than the sum of its proper divisors (115144520).

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

80911480 is a wasteful number, since it uses less digits than its factorization.

80911480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155623 (or 155619 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 80911480 is about 8995.0808779021. The cubic root of 80911480 is about 432.5171989107.

The spelling of 80911480 in words is "eighty million, nine hundred eleven thousand, four hundred eighty".