880069861 has 16 divisors (see below), whose sum is σ = 1002908160. Its totient is φ = 764446320.

The previous prime is 880069849. The next prime is 880069867. The reversal of 880069861 is 168960088.

It is not a de Polignac number, because 880069861 - 2⁵ = 880069829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880069867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398386 + ... + 400588.

It is an arithmetic number, because the mean of its divisors is an integer number (62681760).

Almost surely, 2^880069861 is an apocalyptic number.

It is an amenable number.

880069861 is a deficient number, since it is larger than the sum of its proper divisors (122838299).

880069861 is a wasteful number, since it uses less digits than its factorization.

880069861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816.

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

The square root of 880069861 is about 29665.9714319285. The cubic root of 880069861 is about 958.3093293311.

The spelling of 880069861 in words is "eight hundred eighty million, sixty-nine thousand, eight hundred sixty-one".