80864446 has 16 divisors (see below), whose sum is σ = 131292000. Its totient is φ = 37132128.

The previous prime is 80864431. The next prime is 80864453. The reversal of 80864446 is 64446808.

It is a junction number, because it is equal to n+sod(n) for n = 80864399 and 80864408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 12988.

It is an arithmetic number, because the mean of its divisors is an integer number (8205750).

Almost surely, 2^80864446 is an apocalyptic number.

80864446 is a deficient number, since it is larger than the sum of its proper divisors (50427554).

80864446 is a wasteful number, since it uses less digits than its factorization.

80864446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 80864446 is about 8992.4660688823. The cubic root of 80864446 is about 432.4333749711.

The spelling of 80864446 in words is "eighty million, eight hundred sixty-four thousand, four hundred forty-six".