880666278789 has 24 divisors (see below), whose sum is σ = 1290742064416. Its totient is φ = 533708762400.

The previous prime is 880666278749. The next prime is 880666278797. The reversal of 880666278789 is 987872666088.

It is not a de Polignac number, because 880666278789 - 2¹² = 880666274693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 880666278789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880666278749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8245482 + ... + 8351604.

Almost surely, 2^880666278789 is an apocalyptic number.

It is an amenable number.

880666278789 is a deficient number, since it is larger than the sum of its proper divisors (410075785627).

880666278789 is a wasteful number, since it uses less digits than its factorization.

880666278789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129009 (or 128998 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 75.

The spelling of 880666278789 in words is "eight hundred eighty billion, six hundred sixty-six million, two hundred seventy-eight thousand, seven hundred eighty-nine".