887481144 has 128 divisors (see below), whose sum is σ = 2776320000. Its totient is φ = 260236800.

The previous prime is 887481143. The next prime is 887481163. The reversal of 887481144 is 441184788.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 887481144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887481143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67632 + ... + 79680.

It is an arithmetic number, because the mean of its divisors is an integer number (21690000).

Almost surely, 2^887481144 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 887481144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388160000).

887481144 is an abundant number, since it is smaller than the sum of its proper divisors (1888838856).

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

887481144 is a wasteful number, since it uses less digits than its factorization.

887481144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106 (or 12096 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 887481144 is about 29790.6217457776. The cubic root of 887481144 is about 960.9918654834.

The spelling of 887481144 in words is "eight hundred eighty-seven million, four hundred eighty-one thousand, one hundred forty-four".