889777152 has 264 divisors, whose sum is σ = 2866324032. Its totient is φ = 263577600.

The previous prime is 889777117. The next prime is 889777153. The reversal of 889777152 is 251777988.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (264).

It is a super-2 number, since 2×889777152² = 1583406760442462208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (889777153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6792127 + ... + 6792257.

It is an arithmetic number, because the mean of its divisors is an integer number (10857288).

Almost surely, 2^889777152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889777152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433162016).

889777152 is an abundant number, since it is smaller than the sum of its proper divisors (1976546880).

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

889777152 is a wasteful number, since it uses less digits than its factorization.

889777152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 214 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The square root of 889777152 is about 29829.1326055586. The cubic root of 889777152 is about 961.8198811871.

The spelling of 889777152 in words is "eight hundred eighty-nine million, seven hundred seventy-seven thousand, one hundred fifty-two".