889169051 has 4 divisors (see below), whose sum is σ = 889648704. Its totient is φ = 888689400.

The previous prime is 889168967. The next prime is 889169053. The reversal of 889169051 is 150961988.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889169051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889168987 and 889169005.

It is not an unprimeable number, because it can be changed into a prime (889169053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237035 + ... + 240756.

It is an arithmetic number, because the mean of its divisors is an integer number (222412176).

Almost surely, 2^889169051 is an apocalyptic number.

889169051 is a deficient number, since it is larger than the sum of its proper divisors (479653).

889169051 is a wasteful number, since it uses less digits than its factorization.

889169051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479652.

The product of its (nonzero) digits is 155520, while the sum is 47.

The square root of 889169051 is about 29818.9377912762. The cubic root of 889169051 is about 961.6007188484.

The spelling of 889169051 in words is "eight hundred eighty-nine million, one hundred sixty-nine thousand, fifty-one".