87143368 has 64 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 38668800.

The previous prime is 87143351. The next prime is 87143401. The reversal of 87143368 is 86334178.

It is a self number, because there is not a number n which added to its sum of digits gives 87143368.

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, 456153 + ... + 456343.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^87143368 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 87143368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

87143368 is an abundant number, since it is smaller than the sum of its proper divisors (95748152).

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

87143368 is a wasteful number, since it uses less digits than its factorization.

87143368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 354 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 87143368 is about 9335.0612210097. The cubic root of 87143368 is about 443.3480272264.

The spelling of 87143368 in words is "eighty-seven million, one hundred forty-three thousand, three hundred sixty-eight".