87319674 has 64 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 26675136.

The previous prime is 87319669. The next prime is 87319679. The reversal of 87319674 is 47691378.

It is an interprime number because it is at equal distance from previous prime (87319669) and next prime (87319679).

It is not an unprimeable number, because it can be changed into a prime (87319679) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 121087 + ... + 121805.

It is an arithmetic number, because the mean of its divisors is an integer number (3288600).

Almost surely, 2^87319674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87319674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105235200).

87319674 is an abundant number, since it is smaller than the sum of its proper divisors (123150726).

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

87319674 is a wasteful number, since it uses less digits than its factorization.

87319674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 910 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 87319674 is about 9344.4996655787. The cubic root of 87319674 is about 443.6468155510.

The spelling of 87319674 in words is "eighty-seven million, three hundred nineteen thousand, six hundred seventy-four".