80396874 has 80 divisors (see below), whose sum is σ = 189268200. Its totient is φ = 25474176.

The previous prime is 80396873. The next prime is 80396879. The reversal of 80396874 is 47869308.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69006249 + 11390625 = 8307^2 + 3375^2 .

It is not an unprimeable number, because it can be changed into a prime (80396873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 512004 + ... + 512160.

Almost surely, 2^80396874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80396874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94634100).

80396874 is an abundant number, since it is smaller than the sum of its proper divisors (108871326).

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

80396874 is a wasteful number, since it uses less digits than its factorization.

80396874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 80396874 is about 8966.4303934174. The cubic root of 80396874 is about 431.5982955638.

The spelling of 80396874 in words is "eighty million, three hundred ninety-six thousand, eight hundred seventy-four".