80990468 has 12 divisors (see below), whose sum is σ = 152635980. Its totient is φ = 37380192.

The previous prime is 80990453. The next prime is 80990473. The reversal of 80990468 is 86409908.

It can be written as a sum of positive squares in 2 ways, for example, as 53027524 + 27962944 = 7282^2 + 5288^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 778703 + ... + 778806.

It is an arithmetic number, because the mean of its divisors is an integer number (12719665).

Almost surely, 2^80990468 is an apocalyptic number.

It is an amenable number.

80990468 is a deficient number, since it is larger than the sum of its proper divisors (71645512).

80990468 is a wasteful number, since it uses less digits than its factorization.

80990468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557526 (or 1557524 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 80990468 is about 8999.4704288641. The cubic root of 80990468 is about 432.6578981759.

The spelling of 80990468 in words is "eighty million, nine hundred ninety thousand, four hundred sixty-eight".