889742742 has 32 divisors (see below), whose sum is σ = 2034595584. Its totient is φ = 254100000.

The previous prime is 889742723. The next prime is 889742743. The reversal of 889742742 is 247247988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889742743) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 158992 + ... + 164492.

It is an arithmetic number, because the mean of its divisors is an integer number (63581112).

Almost surely, 2^889742742 is an apocalyptic number.

889742742 is an abundant number, since it is smaller than the sum of its proper divisors (1144852842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889742742 is a wasteful number, since it uses less digits than its factorization.

889742742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364.

The product of its digits is 1806336, while the sum is 51.

The square root of 889742742 is about 29828.5558148563. Note that the first 3 decimals coincide. The cubic root of 889742742 is about 961.8074823339.

The spelling of 889742742 in words is "eight hundred eighty-nine million, seven hundred forty-two thousand, seven hundred forty-two".