80249994 has 32 divisors (see below), whose sum is σ = 194546880. Its totient is φ = 24318000.

The previous prime is 80249993. The next prime is 80249999. The reversal of 80249994 is 49994208.

It is not an unprimeable number, because it can be changed into a prime (80249993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66957 + ... + 68144.

It is an arithmetic number, because the mean of its divisors is an integer number (6079590).

Almost surely, 2^80249994 is an apocalyptic number.

80249994 is an abundant number, since it is smaller than the sum of its proper divisors (114296886).

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

80249994 is a wasteful number, since it uses less digits than its factorization.

80249994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135123 (or 135117 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 80249994 is about 8958.2360986971. The cubic root of 80249994 is about 431.3353010848.

The spelling of 80249994 in words is "eighty million, two hundred forty-nine thousand, nine hundred ninety-four".