881781373 has 16 divisors (see below), whose sum is σ = 1004713920. Its totient is φ = 766713600.

The previous prime is 881781371. The next prime is 881781427. The reversal of 881781373 is 373187188.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 881781373 - 2¹ = 881781371 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 (881781371) 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, 5653 + ... + 42373.

It is an arithmetic number, because the mean of its divisors is an integer number (62794620).

Almost surely, 2^881781373 is an apocalyptic number.

It is an amenable number.

881781373 is a deficient number, since it is larger than the sum of its proper divisors (122932547).

881781373 is a wasteful number, since it uses less digits than its factorization.

881781373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36828.

The product of its digits is 225792, while the sum is 46.

The square root of 881781373 is about 29694.8038047063. The cubic root of 881781373 is about 958.9301496799.

The spelling of 881781373 in words is "eight hundred eighty-one million, seven hundred eighty-one thousand, three hundred seventy-three".