80880045 has 8 divisors (see below), whose sum is σ = 129408096. Its totient is φ = 43136016.

The previous prime is 80879987. The next prime is 80880047. The reversal of 80880045 is 54008808.

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

It is not a de Polignac number, because 80880045 - 2⁷ = 80879917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80879988 and 80880015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80880047) 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, 2695987 + ... + 2696016.

It is an arithmetic number, because the mean of its divisors is an integer number (16176012).

Almost surely, 2^80880045 is an apocalyptic number.

It is an amenable number.

80880045 is a deficient number, since it is larger than the sum of its proper divisors (48528051).

80880045 is a wasteful number, since it uses less digits than its factorization.

80880045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392011.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 80880045 is about 8993.3333642204. Note that the first 4 decimals coincide. The cubic root of 80880045 is about 432.4611790921.

The spelling of 80880045 in words is "eighty million, eight hundred eighty thousand, forty-five".