80189774 has 24 divisors (see below), whose sum is σ = 141225480. Its totient is φ = 34047216.

The previous prime is 80189773. The next prime is 80189783. The reversal of 80189774 is 47798108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80189771) 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, 6929 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (5884395).

Almost surely, 2^80189774 is an apocalyptic number.

80189774 is a deficient number, since it is larger than the sum of its proper divisors (61035706).

80189774 is a wasteful number, since it uses less digits than its factorization.

80189774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632 (or 7625 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 80189774 is about 8954.8743151426. The cubic root of 80189774 is about 431.2273820246.

The spelling of 80189774 in words is "eighty million, one hundred eighty-nine thousand, seven hundred seventy-four".