887821902 has 48 divisors (see below), whose sum is σ = 2104202880. Its totient is φ = 268304400.

The previous prime is 887821897. The next prime is 887821931. The reversal of 887821902 is 209128788.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69127 + ... + 80957.

It is an arithmetic number, because the mean of its divisors is an integer number (43837560).

Almost surely, 2^887821902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887821902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052101440).

887821902 is an abundant number, since it is smaller than the sum of its proper divisors (1216380978).

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

887821902 is a wasteful number, since it uses less digits than its factorization.

887821902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229 (or 12226 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 887821902 is about 29796.3404128762. The cubic root of 887821902 is about 961.1148441577.

The spelling of 887821902 in words is "eight hundred eighty-seven million, eight hundred twenty-one thousand, nine hundred two".