87298680 has 128 divisors (see below), whose sum is σ = 302515200. Its totient is φ = 19740672.

The previous prime is 87298669. The next prime is 87298691. The reversal of 87298680 is 8689278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87298669) and next prime (87298691).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86016 + ... + 87024.

It is an arithmetic number, because the mean of its divisors is an integer number (2363400).

Almost surely, 2^87298680 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 87298680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151257600).

87298680 is an abundant number, since it is smaller than the sum of its proper divisors (215216520).

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

87298680 is a wasteful number, since it uses less digits than its factorization.

87298680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 87298680 is about 9343.3762634285. The cubic root of 87298680 is about 443.6112578225.

It can be divided in two parts, 87298 and 680, that added together give a palindrome (87978).

The spelling of 87298680 in words is "eighty-seven million, two hundred ninety-eight thousand, six hundred eighty".