880139221 has 16 divisors (see below), whose sum is σ = 962748864. Its totient is φ = 799732224.

The previous prime is 880139213. The next prime is 880139233. The reversal of 880139221 is 122931088.

It is not a de Polignac number, because 880139221 - 2³ = 880139213 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 (880139291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329925 + ... + 332581.

It is an arithmetic number, because the mean of its divisors is an integer number (60171804).

Almost surely, 2^880139221 is an apocalyptic number.

It is an amenable number.

880139221 is a deficient number, since it is larger than the sum of its proper divisors (82609643).

880139221 is a wasteful number, since it uses less digits than its factorization.

880139221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 880139221 is about 29667.1404250561. The cubic root of 880139221 is about 958.3345040708.

The spelling of 880139221 in words is "eight hundred eighty million, one hundred thirty-nine thousand, two hundred twenty-one".