880899091 has 4 divisors (see below), whose sum is σ = 881258632. Its totient is φ = 880539552.

The previous prime is 880899079. The next prime is 880899163. The reversal of 880899091 is 190998088.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 880899091 - 2²¹ = 878801939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (880899191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176070 + ... + 181003.

It is an arithmetic number, because the mean of its divisors is an integer number (220314658).

Almost surely, 2^880899091 is an apocalyptic number.

880899091 is a deficient number, since it is larger than the sum of its proper divisors (359541).

880899091 is a wasteful number, since it uses less digits than its factorization.

880899091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359540.

The product of its (nonzero) digits is 373248, while the sum is 52.

The square root of 880899091 is about 29679.9442553385. The cubic root of 880899091 is about 958.6102180926.

The spelling of 880899091 in words is "eight hundred eighty million, eight hundred ninety-nine thousand, ninety-one".