889247623 has 4 divisors (see below), whose sum is σ = 970088328. Its totient is φ = 808406920.

The previous prime is 889247599. The next prime is 889247657. The reversal of 889247623 is 326742988.

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 889247623 - 2⁵ = 889247591 is a prime.

It is a super-2 number, since 2×889247623² = 1581522670022300258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889247123) 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, 40420336 + ... + 40420357.

It is an arithmetic number, because the mean of its divisors is an integer number (242522082).

Almost surely, 2^889247623 is an apocalyptic number.

889247623 is a deficient number, since it is larger than the sum of its proper divisors (80840705).

889247623 is a wasteful number, since it uses less digits than its factorization.

889247623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80840704.

The product of its digits is 1161216, while the sum is 49.

The square root of 889247623 is about 29820.2552470632. The cubic root of 889247623 is about 961.6290421713.

The spelling of 889247623 in words is "eight hundred eighty-nine million, two hundred forty-seven thousand, six hundred twenty-three".