889355077 has 4 divisors (see below), whose sum is σ = 957767020. Its totient is φ = 820943136.

The previous prime is 889355041. The next prime is 889355081. The reversal of 889355077 is 770553988.

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

It can be written as a sum of positive squares in 2 ways, for example, as 452795841 + 436559236 = 21279^2 + 20894^2 .

It is a de Polignac number, because none of the positive numbers 2^k-889355077 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 (889355177) 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, 34205952 + ... + 34205977.

It is an arithmetic number, because the mean of its divisors is an integer number (239441755).

Almost surely, 2^889355077 is an apocalyptic number.

It is an amenable number.

889355077 is a deficient number, since it is larger than the sum of its proper divisors (68411943).

889355077 is a wasteful number, since it uses less digits than its factorization.

889355077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68411942.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 889355077 is about 29822.0568874784. The cubic root of 889355077 is about 961.6677740620.

The spelling of 889355077 in words is "eight hundred eighty-nine million, three hundred fifty-five thousand, seventy-seven".