80713946404 has 135 divisors (see below), whose sum is σ = 179235410193. Its totient is φ = 31787604576.

The previous prime is 80713946393. The next prime is 80713946413. The reversal of 80713946404 is 40464931708.

The square root of 80713946404 is 284102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11939932900 + 68774013504 = 109270^2 + 262248^2 .

It is a super-2 number, since 2×80713946404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 361945837 + ... + 361946059.

Almost surely, 2^80713946404 is an apocalyptic number.

80713946404 is the 284102-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80713946404

80713946404 is an abundant number, since it is smaller than the sum of its proper divisors (98521463789).

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

80713946404 is an equidigital number, since it uses as much as digits as its factorization.

80713946404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 80713946404 in words is "eighty billion, seven hundred thirteen million, nine hundred forty-six thousand, four hundred four".