80844776 has 16 divisors (see below), whose sum is σ = 156474240. Its totient is φ = 39118320.

The previous prime is 80844767. The next prime is 80844787. The reversal of 80844776 is 67744808.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162746 + ... + 163241.

It is an arithmetic number, because the mean of its divisors is an integer number (9779640).

Almost surely, 2^80844776 is an apocalyptic number.

It is an amenable number.

80844776 is a deficient number, since it is larger than the sum of its proper divisors (75629464).

80844776 is a wasteful number, since it uses less digits than its factorization.

80844776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326024 (or 326020 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 80844776 is about 8991.3723090527. The cubic root of 80844776 is about 432.3983094812.

The spelling of 80844776 in words is "eighty million, eight hundred forty-four thousand, seven hundred seventy-six".