987872274 has 64 divisors (see below), whose sum is σ = 2254383360. Its totient is φ = 324550800.

The previous prime is 987872267. The next prime is 987872297. The reversal of 987872274 is 472278789.

987872274 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 Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 987872274.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308964 + ... + 312144.

It is an arithmetic number, because the mean of its divisors is an integer number (35224740).

Almost surely, 2^987872274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987872274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127191680).

987872274 is an abundant number, since it is smaller than the sum of its proper divisors (1266511086).

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

987872274 is an equidigital number, since it uses as much as digits as its factorization.

987872274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275 (or 3257 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 987872274 is about 31430.4354726434. The cubic root of 987872274 is about 995.9409712440.

The spelling of 987872274 in words is "nine hundred eighty-seven million, eight hundred seventy-two thousand, two hundred seventy-four".