881980939 has 24 divisors (see below), whose sum is σ = 1041498528. Its totient is φ = 746807040.

The previous prime is 881980903. The next prime is 881980943. The reversal of 881980939 is 939089188.

881980939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 881980939 - 2⁷ = 881980811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 881980939.

It is not an unprimeable number, because it can be changed into a prime (881980999) 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, 1630009 + ... + 1630549.

It is an arithmetic number, because the mean of its divisors is an integer number (43395772).

Almost surely, 2^881980939 is an apocalyptic number.

881980939 is a deficient number, since it is larger than the sum of its proper divisors (159517589).

881980939 is an frugal number, since it uses more digits than its factorization.

881980939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 881980939 is about 29698.1638994737. The cubic root of 881980939 is about 959.0024863629.

Subtracting 881980939 from its reverse (939089188), we obtain a square (57108249 = 7557²).

The spelling of 881980939 in words is "eight hundred eighty-one million, nine hundred eighty thousand, nine hundred thirty-nine".