880066891 has 8 divisors (see below), whose sum is σ = 963468864. Its totient is φ = 797230920.

The previous prime is 880066879. The next prime is 880066907. The reversal of 880066891 is 198660088.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-880066891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (880066391) 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, 138241 + ... + 144466.

It is an arithmetic number, because the mean of its divisors is an integer number (120433608).

Almost surely, 2^880066891 is an apocalyptic number.

880066891 is a deficient number, since it is larger than the sum of its proper divisors (83401973).

880066891 is a wasteful number, since it uses less digits than its factorization.

880066891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283001.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 880066891 is about 29665.9213745334. The cubic root of 880066891 is about 958.3082513175.

The spelling of 880066891 in words is "eight hundred eighty million, sixty-six thousand, eight hundred ninety-one".