80450868 has 24 divisors (see below), whose sum is σ = 198761472. Its totient is φ = 25239424.

The previous prime is 80450833. The next prime is 80450879. The reversal of 80450868 is 86805408.

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 7 ways as a sum of consecutive naturals, for example, 196980 + ... + 197387.

It is an arithmetic number, because the mean of its divisors is an integer number (8281728).

Almost surely, 2^80450868 is an apocalyptic number.

It is an amenable number.

80450868 is an abundant number, since it is smaller than the sum of its proper divisors (118310604).

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

80450868 is a wasteful number, since it uses less digits than its factorization.

80450868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394391 (or 394389 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 80450868 is about 8969.4407852441. The cubic root of 80450868 is about 431.6948934466.

It can be divided in two parts, 80450 and 868, that added together give a palindrome (81318).

The spelling of 80450868 in words is "eighty million, four hundred fifty thousand, eight hundred sixty-eight".