887765616 has 80 divisors (see below), whose sum is σ = 2607531520. Its totient is φ = 289033920.

The previous prime is 887765597. The next prime is 887765621. The reversal of 887765616 is 616567788.

887765616 is a `hidden beast` number, since 8 + 8 + 7 + 76 + 561 + 6 = 666.

887765616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5320 + ... + 42471.

It is an arithmetic number, because the mean of its divisors is an integer number (32594144).

Almost surely, 2^887765616 is an apocalyptic number.

887765616 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887765616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303765760).

887765616 is an abundant number, since it is smaller than the sum of its proper divisors (1719765904).

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

887765616 is a wasteful number, since it uses less digits than its factorization.

887765616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47851 (or 47839 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 887765616 is about 29795.3958859418. The cubic root of 887765616 is about 961.0945328568.

The spelling of 887765616 in words is "eight hundred eighty-seven million, seven hundred sixty-five thousand, six hundred sixteen".