80631304 has 32 divisors (see below), whose sum is σ = 163399320. Its totient is φ = 37080576.

The previous prime is 80631301. The next prime is 80631311. The reversal of 80631304 is 40313608.

It can be written as a sum of positive squares in 4 ways, for example, as 28068804 + 52562500 = 5298^2 + 7250^2 .

It is not an unprimeable number, because it can be changed into a prime (80631301) 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 7 ways as a sum of consecutive naturals, for example, 31314 + ... + 33790.

Almost surely, 2^80631304 is an apocalyptic number.

It is an amenable number.

80631304 is an abundant number, since it is smaller than the sum of its proper divisors (82768016).

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

80631304 is a wasteful number, since it uses less digits than its factorization.

80631304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 80631304 is about 8979.4935269201. The cubic root of 80631304 is about 432.0173889891.

The spelling of 80631304 in words is "eighty million, six hundred thirty-one thousand, three hundred four".