80444475 has 48 divisors (see below), whose sum is σ = 151820640. Its totient is φ = 41731200.

The previous prime is 80444471. The next prime is 80444477. The reversal of 80444475 is 57444408.

It is not a de Polignac number, because 80444475 - 2² = 80444471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80444471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23365 + ... + 26585.

It is an arithmetic number, because the mean of its divisors is an integer number (3162930).

Almost surely, 2^80444475 is an apocalyptic number.

80444475 is a deficient number, since it is larger than the sum of its proper divisors (71376165).

80444475 is a wasteful number, since it uses less digits than its factorization.

80444475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 80444475 is about 8969.0844014314. The cubic root of 80444475 is about 431.6834583160.

The spelling of 80444475 in words is "eighty million, four hundred forty-four thousand, four hundred seventy-five".