881374891 has 4 divisors (see below), whose sum is σ = 905195872. Its totient is φ = 857553912.

The previous prime is 881374861. The next prime is 881374903. The reversal of 881374891 is 198473188.

881374891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881374891 - 2¹⁵ = 881342123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881374861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11910435 + ... + 11910508.

It is an arithmetic number, because the mean of its divisors is an integer number (226298968).

Almost surely, 2^881374891 is an apocalyptic number.

881374891 is a deficient number, since it is larger than the sum of its proper divisors (23820981).

881374891 is a wasteful number, since it uses less digits than its factorization.

881374891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23820980.

The product of its digits is 387072, while the sum is 49.

The square root of 881374891 is about 29687.9586869828. The cubic root of 881374891 is about 958.7827783976.

The spelling of 881374891 in words is "eight hundred eighty-one million, three hundred seventy-four thousand, eight hundred ninety-one".