80505774 has 24 divisors (see below), whose sum is σ = 183610440. Its totient is φ = 25422768.

The previous prime is 80505757. The next prime is 80505779. The reversal of 80505774 is 47750508.

80505774 is a `hidden beast` number, since 80 + 5 + 0 + 577 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80505779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117357 + ... + 118040.

It is an arithmetic number, because the mean of its divisors is an integer number (7650435).

Almost surely, 2^80505774 is an apocalyptic number.

80505774 is an abundant number, since it is smaller than the sum of its proper divisors (103104666).

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

80505774 is a wasteful number, since it uses less digits than its factorization.

80505774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235424 (or 235421 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 80505774 is about 8972.5009891334. The cubic root of 80505774 is about 431.7930786300.

It can be divided in two parts, 8050 and 5774, that added together give a cube (13824 = 24³).

The spelling of 80505774 in words is "eighty million, five hundred five thousand, seven hundred seventy-four".