889012100972 has 24 divisors (see below), whose sum is σ = 1562471145312. Its totient is φ = 442592352000.

The previous prime is 889012100971. The next prime is 889012101011. The reversal of 889012100972 is 279001210988.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (889012100971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6390953 + ... + 6528575.

It is an arithmetic number, because the mean of its divisors is an integer number (65102964388).

Almost surely, 2^889012100972 is an apocalyptic number.

It is an amenable number.

889012100972 is a deficient number, since it is larger than the sum of its proper divisors (673459044340).

889012100972 is a wasteful number, since it uses less digits than its factorization.

889012100972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144569 (or 144567 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 889012100972 in words is "eight hundred eighty-nine billion, twelve million, one hundred thousand, nine hundred seventy-two".