887004778660 has 576 divisors, whose sum is σ = 2608810364160. Its totient is φ = 248929873920.

The previous prime is 887004778651. The next prime is 887004778669. The reversal of 887004778660 is 66877400788.

It is an interprime number because it is at equal distance from previous prime (887004778651) and next prime (887004778669).

It is not an unprimeable number, because it can be changed into a prime (887004778669) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2280217746 + ... + 2280218134.

It is an arithmetic number, because the mean of its divisors is an integer number (4529184660).

Almost surely, 2^887004778660 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 887004778660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304405182080).

887004778660 is an abundant number, since it is smaller than the sum of its proper divisors (1721805585500).

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

887004778660 is a wasteful number, since it uses less digits than its factorization.

887004778660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 887004778660 in words is "eight hundred eighty-seven billion, four million, seven hundred seventy-eight thousand, six hundred sixty".