87593663 has 4 divisors (see below), whose sum is σ = 87919560. Its totient is φ = 87267768.

The previous prime is 87593651. The next prime is 87593713. The reversal of 87593663 is 36639578.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87593663 - 2¹⁴ = 87577279 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 (87593633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162545 + ... + 163082.

It is an arithmetic number, because the mean of its divisors is an integer number (21979890).

Almost surely, 2^87593663 is an apocalyptic number.

87593663 is a deficient number, since it is larger than the sum of its proper divisors (325897).

87593663 is a wasteful number, since it uses less digits than its factorization.

87593663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325896.

The product of its digits is 816480, while the sum is 47.

The square root of 87593663 is about 9359.1486258099. The cubic root of 87593663 is about 444.1103515311.

The spelling of 87593663 in words is "eighty-seven million, five hundred ninety-three thousand, six hundred sixty-three".