80880449 has 16 divisors (see below), whose sum is σ = 91608720. Its totient is φ = 70882560.

The previous prime is 80880433. The next prime is 80880461. The reversal of 80880449 is 94408808.

It can be written as a sum of positive squares in 8 ways, for example, as 2999824 + 77880625 = 1732^2 + 8825^2 .

It is a cyclic number.

It is not a de Polignac number, because 80880449 - 2⁴ = 80880433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80880469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21239 + ... + 24755.

It is an arithmetic number, because the mean of its divisors is an integer number (5725545).

Almost surely, 2^80880449 is an apocalyptic number.

It is an amenable number.

80880449 is a deficient number, since it is larger than the sum of its proper divisors (10728271).

80880449 is a wasteful number, since it uses less digits than its factorization.

80880449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 80880449 is about 8993.3558252746. The cubic root of 80880449 is about 432.4618991462.

The spelling of 80880449 in words is "eighty million, eight hundred eighty thousand, four hundred forty-nine".