889957077 has 4 divisors (see below), whose sum is σ = 1186609440. Its totient is φ = 593304716.

The previous prime is 889957073. The next prime is 889957087. The reversal of 889957077 is 770759988.

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 889957077 - 2² = 889957073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889957077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889957073) 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, 148326177 + ... + 148326182.

It is an arithmetic number, because the mean of its divisors is an integer number (296652360).

Almost surely, 2^889957077 is an apocalyptic number.

It is an amenable number.

889957077 is a deficient number, since it is larger than the sum of its proper divisors (296652363).

889957077 is a wasteful number, since it uses less digits than its factorization.

889957077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296652362.

The product of its (nonzero) digits is 8890560, while the sum is 60.

The square root of 889957077 is about 29832.1483805642. The cubic root of 889957077 is about 961.8847078231.

The spelling of 889957077 in words is "eight hundred eighty-nine million, nine hundred fifty-seven thousand, seventy-seven".