887889920 has 112 divisors (see below), whose sum is σ = 2176317720. Its totient is φ = 347602944.

The previous prime is 887889859. The next prime is 887889943. The reversal of 887889920 is 29988788.

It can be written as a sum of positive squares in 4 ways, for example, as 878055424 + 9834496 = 29632^2 + 3136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 887889920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170676 + ... + 2171084.

Almost surely, 2^887889920 is an apocalyptic number.

887889920 is a gapful number since it is divisible by the number (80) 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 887889920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088158860).

887889920 is an abundant number, since it is smaller than the sum of its proper divisors (1288427800).

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

887889920 is an equidigital number, since it uses as much as digits as its factorization.

887889920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 59.

The square root of 887889920 is about 29797.4817727942. The cubic root of 887889920 is about 961.1393879091.

The spelling of 887889920 in words is "eight hundred eighty-seven million, eight hundred eighty-nine thousand, nine hundred twenty".