87409868 has 48 divisors (see below), whose sum is σ = 192892224. Its totient is φ = 33730560.

The previous prime is 87409859. The next prime is 87409877. The reversal of 87409868 is 86890478.

It is an interprime number because it is at equal distance from previous prime (87409859) and next prime (87409877).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11996 + ... + 17852.

It is an arithmetic number, because the mean of its divisors is an integer number (4018588).

Almost surely, 2^87409868 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 87409868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96446112).

87409868 is an abundant number, since it is smaller than the sum of its proper divisors (105482356).

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

87409868 is a wasteful number, since it uses less digits than its factorization.

87409868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922 (or 5920 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 87409868 is about 9349.3244675752. The cubic root of 87409868 is about 443.7995131421.

The spelling of 87409868 in words is "eighty-seven million, four hundred nine thousand, eight hundred sixty-eight".