889055881 has 4 divisors (see below), whose sum is σ = 1016063872. Its totient is φ = 762047892.

The previous prime is 889055873. The next prime is 889055899. The reversal of 889055881 is 188550988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 889055881 - 2³ = 889055873 is a prime.

It is a super-2 number, since 2×889055881² = 1580840719081372322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889055801) 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, 63503985 + ... + 63503998.

It is an arithmetic number, because the mean of its divisors is an integer number (254015968).

Almost surely, 2^889055881 is an apocalyptic number.

It is an amenable number.

889055881 is a deficient number, since it is larger than the sum of its proper divisors (127007991).

889055881 is a wasteful number, since it uses less digits than its factorization.

889055881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127007990.

The product of its (nonzero) digits is 921600, while the sum is 52.

The square root of 889055881 is about 29817.0401113189. The cubic root of 889055881 is about 961.5599208432.

The spelling of 889055881 in words is "eight hundred eighty-nine million, fifty-five thousand, eight hundred eighty-one".