889427156 has 6 divisors (see below), whose sum is σ = 1556497530. Its totient is φ = 444713576.

The previous prime is 889427141. The next prime is 889427171. The reversal of 889427156 is 651724988.

It is an interprime number because it is at equal distance from previous prime (889427141) and next prime (889427171).

It can be written as a sum of positive squares in only one way, i.e., 871194256 + 18232900 = 29516^2 + 4270^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111178391 + ... + 111178398.

It is an arithmetic number, because the mean of its divisors is an integer number (259416255).

Almost surely, 2^889427156 is an apocalyptic number.

It is an amenable number.

889427156 is a deficient number, since it is larger than the sum of its proper divisors (667070374).

889427156 is a wasteful number, since it uses less digits than its factorization.

889427156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222356793 (or 222356791 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 889427156 is about 29823.2653477113. The cubic root of 889427156 is about 961.6937532540.

The spelling of 889427156 in words is "eight hundred eighty-nine million, four hundred twenty-seven thousand, one hundred fifty-six".