80448775 has 12 divisors (see below), whose sum is σ = 108825624. Its totient is φ = 58508000.

The previous prime is 80448749. The next prime is 80448787. The reversal of 80448775 is 57784408.

It is not a de Polignac number, because 80448775 - 2²⁵ = 46894343 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 145996 + ... + 146545.

It is an arithmetic number, because the mean of its divisors is an integer number (9068802).

Almost surely, 2^80448775 is an apocalyptic number.

80448775 is a deficient number, since it is larger than the sum of its proper divisors (28376849).

80448775 is a wasteful number, since it uses less digits than its factorization.

80448775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292562 (or 292557 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 80448775 is about 8969.3241105448. The cubic root of 80448775 is about 431.6911497735.

The spelling of 80448775 in words is "eighty million, four hundred forty-eight thousand, seven hundred seventy-five".