987876764 has 96 divisors (see below), whose sum is σ = 2123573760. Its totient is φ = 393120000.

The previous prime is 987876763. The next prime is 987876767. The reversal of 987876764 is 467678789.

It is a super-2 number, since 2×987876764² = 1951801001702223392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 987876697 and 987876706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987876763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3935639 + ... + 3935889.

It is an arithmetic number, because the mean of its divisors is an integer number (22120560).

Almost surely, 2^987876764 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 987876764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061786880).

987876764 is an abundant number, since it is smaller than the sum of its proper divisors (1135696996).

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

987876764 is a wasteful number, since it uses less digits than its factorization.

987876764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 62.

The square root of 987876764 is about 31430.5069001440. The cubic root of 987876764 is about 995.9424801328.

The spelling of 987876764 in words is "nine hundred eighty-seven million, eight hundred seventy-six thousand, seven hundred sixty-four".