881273812 has 24 divisors (see below), whose sum is σ = 1655327016. Its totient is φ = 409033728.

The previous prime is 881273741. The next prime is 881273821. The reversal of 881273812 is 218372188.

881273812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 489471376 + 391802436 = 22124^2 + 19794^2 .

It is a super-2 number, since 2×881273812² = 1553287063434022688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83803 + ... + 93730.

It is an arithmetic number, because the mean of its divisors is an integer number (68971959).

Almost surely, 2^881273812 is an apocalyptic number.

It is an amenable number.

881273812 is a deficient number, since it is larger than the sum of its proper divisors (774053204).

881273812 is a wasteful number, since it uses less digits than its factorization.

881273812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177627 (or 177625 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 881273812 is about 29686.2562813164. The cubic root of 881273812 is about 958.7461248651.

The spelling of 881273812 in words is "eight hundred eighty-one million, two hundred seventy-three thousand, eight hundred twelve".