80500775 has 12 divisors (see below), whose sum is σ = 100384200. Its totient is φ = 64037280.

The previous prime is 80500741. The next prime is 80500793. The reversal of 80500775 is 57700508.

It is not a de Polignac number, because 80500775 - 2⁶ = 80500711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4520 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (8365350).

Almost surely, 2^80500775 is an apocalyptic number.

80500775 is a deficient number, since it is larger than the sum of its proper divisors (19883425).

80500775 is a wasteful number, since it uses less digits than its factorization.

80500775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178 (or 18173 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 80500775 is about 8972.2224114207. Note that the first 3 decimals coincide. The cubic root of 80500775 is about 431.7841410587.

The spelling of 80500775 in words is "eighty million, five hundred thousand, seven hundred seventy-five".