87002287 has 16 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 81446400.

The previous prime is 87002249. The next prime is 87002297. The reversal of 87002287 is 78220078.

It is a cyclic number.

It is not a de Polignac number, because 87002287 - 2²³ = 78613679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87002297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107139 + ... + 107947.

It is an arithmetic number, because the mean of its divisors is an integer number (5800410).

Almost surely, 2^87002287 is an apocalyptic number.

87002287 is a deficient number, since it is larger than the sum of its proper divisors (5804273).

87002287 is a wasteful number, since it uses less digits than its factorization.

87002287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 87002287 is about 9327.5016483515. The cubic root of 87002287 is about 443.1086448196.

The spelling of 87002287 in words is "eighty-seven million, two thousand, two hundred eighty-seven".