889953788 has 6 divisors (see below), whose sum is σ = 1557419136. Its totient is φ = 444976892.

The previous prime is 889953773. The next prime is 889953803. The reversal of 889953788 is 887359988.

It is an interprime number because it is at equal distance from previous prime (889953773) and next prime (889953803).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111244220 + ... + 111244227.

It is an arithmetic number, because the mean of its divisors is an integer number (259569856).

Almost surely, 2^889953788 is an apocalyptic number.

It is an amenable number.

889953788 is a deficient number, since it is larger than the sum of its proper divisors (667465348).

889953788 is a wasteful number, since it uses less digits than its factorization.

889953788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222488451 (or 222488449 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 65.

The square root of 889953788 is about 29832.0932554187. The cubic root of 889953788 is about 961.8835228811.

The spelling of 889953788 in words is "eight hundred eighty-nine million, nine hundred fifty-three thousand, seven hundred eighty-eight".