80445873 has 8 divisors (see below), whose sum is σ = 107358048. Its totient is φ = 53582144.

The previous prime is 80445857. The next prime is 80445877. The reversal of 80445873 is 37854408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80445873 - 2⁴ = 80445857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80445877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (13419756).

Almost surely, 2^80445873 is an apocalyptic number.

It is an amenable number.

80445873 is a deficient number, since it is larger than the sum of its proper divisors (26912175).

80445873 is a wasteful number, since it uses less digits than its factorization.

80445873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 80445873 is about 8969.1623354692. The cubic root of 80445873 is about 431.6859589641.

It can be divided in two parts, 80445 and 873, that added together give a palindrome (81318).

The spelling of 80445873 in words is "eighty million, four hundred forty-five thousand, eight hundred seventy-three".