889772616 has 48 divisors (see below), whose sum is σ = 2438850960. Its totient is φ = 293015520.

The previous prime is 889772591. The next prime is 889772617. The reversal of 889772616 is 616277988.

It is a Smith number, since the sum of its digits (54) 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 (889772617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68470 + ... + 80421.

It is an arithmetic number, because the mean of its divisors is an integer number (50809395).

Almost surely, 2^889772616 is an apocalyptic number.

It is an amenable number.

889772616 is an abundant number, since it is smaller than the sum of its proper divisors (1549078344).

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

889772616 is a wasteful number, since it uses less digits than its factorization.

889772616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148986 (or 148979 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 889772616 is about 29829.0565724094. The cubic root of 889772616 is about 961.8182467620.

The spelling of 889772616 in words is "eight hundred eighty-nine million, seven hundred seventy-two thousand, six hundred sixteen".