80896545 has 48 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 41610240.

The previous prime is 80896511. The next prime is 80896549. The reversal of 80896545 is 54569808.

It is not a de Polignac number, because 80896545 - 2⁸ = 80896289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 80896545.

It is not an unprimeable number, because it can be changed into a prime (80896549) 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, 187480 + ... + 187910.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^80896545 is an apocalyptic number.

It is an amenable number.

80896545 is a deficient number, since it is larger than the sum of its proper divisors (64400607).

80896545 is a wasteful number, since it uses less digits than its factorization.

80896545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 80896545 is about 8994.2506636184. The cubic root of 80896545 is about 432.4905852918.

The spelling of 80896545 in words is "eighty million, eight hundred ninety-six thousand, five hundred forty-five".