80436896 has 12 divisors (see below), whose sum is σ = 158360202. Its totient is φ = 40218432.

The previous prime is 80436871. The next prime is 80436901. The reversal of 80436896 is 69863408.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 5856400 = 8636^2 + 2420^2 .

It is a super-2 number, since 2×80436896² = 12940188476229632, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1256795 + ... + 1256858.

Almost surely, 2^80436896 is an apocalyptic number.

It is an amenable number.

80436896 is a deficient number, since it is larger than the sum of its proper divisors (77923306).

80436896 is a wasteful number, since it uses less digits than its factorization.

80436896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513663 (or 2513655 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 80436896 is about 8968.6618845846. The cubic root of 80436896 is about 431.6699010075.

The spelling of 80436896 in words is "eighty million, four hundred thirty-six thousand, eight hundred ninety-six".