80199427 has 12 divisors (see below), whose sum is σ = 101775096. Its totient is φ = 62492640.

The previous prime is 80199419. The next prime is 80199433. The reversal of 80199427 is 72499108.

It is not a de Polignac number, because 80199427 - 2³ = 80199419 is a prime.

It is a super-2 number, since 2×80199427² = 12863896182256658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80199427.

It is not an unprimeable number, because it can be changed into a prime (80199407) 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, 73858 + ... + 74935.

It is an arithmetic number, because the mean of its divisors is an integer number (8481258).

Almost surely, 2^80199427 is an apocalyptic number.

80199427 is a deficient number, since it is larger than the sum of its proper divisors (21575669).

80199427 is a wasteful number, since it uses less digits than its factorization.

80199427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148818 (or 148811 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 80199427 is about 8955.4132791290. The cubic root of 80199427 is about 431.2446846086.

The spelling of 80199427 in words is "eighty million, one hundred ninety-nine thousand, four hundred twenty-seven".