80199774 has 32 divisors (see below), whose sum is σ = 178532640. Its totient is φ = 26686656.

The previous prime is 80199751. The next prime is 80199793. The reversal of 80199774 is 47799108.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 45412 + ... + 47144.

It is an arithmetic number, because the mean of its divisors is an integer number (5579145).

Almost surely, 2^80199774 is an apocalyptic number.

80199774 is an abundant number, since it is smaller than the sum of its proper divisors (98332866).

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

80199774 is a wasteful number, since it uses less digits than its factorization.

80199774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2595 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 80199774 is about 8955.4326528650. The cubic root of 80199774 is about 431.2453065652.

The spelling of 80199774 in words is "eighty million, one hundred ninety-nine thousand, seven hundred seventy-four".