87240096 has 144 divisors (see below), whose sum is σ = 265356000. Its totient is φ = 27108864.

The previous prime is 87240079. The next prime is 87240113. The reversal of 87240096 is 69004278.

It is an interprime number because it is at equal distance from previous prime (87240079) and next prime (87240113).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×87240096² = 15221668700178432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 87240096.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585430 + ... + 585578.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 2^87240096 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 87240096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132678000).

87240096 is an abundant number, since it is smaller than the sum of its proper divisors (178115904).

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

87240096 is a wasteful number, since it uses less digits than its factorization.

87240096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87240096 is about 9340.2406821238. The cubic root of 87240096 is about 443.5120034102.

The spelling of 87240096 in words is "eighty-seven million, two hundred forty thousand, ninety-six".