987900000 has 288 divisors, whose sum is σ = 3366347040. Its totient is φ = 253440000.

The previous prime is 987899999. The next prime is 987900007. The reversal of 987900000 is 9789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987900007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11099956 + ... + 11100044.

It is an arithmetic number, because the mean of its divisors is an integer number (11688705).

Almost surely, 2^987900000 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 987900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683173520).

987900000 is an abundant number, since it is smaller than the sum of its proper divisors (2378447040).

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

987900000 is an equidigital number, since it uses as much as digits as its factorization.

987900000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 987900000 is about 31430.8765388431. The cubic root of 987900000 is about 995.9502886432.

Adding to 987900000 its reverse (9789), we get a palindrome (987909789).

The spelling of 987900000 in words is "nine hundred eighty-seven million, nine hundred thousand".