87297663 has 8 divisors (see below), whose sum is σ = 116949376. Its totient is φ = 57922200.

The previous prime is 87297619. The next prime is 87297677. The reversal of 87297663 is 36679278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87297663 - 2⁸ = 87297407 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 (87290663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68323 + ... + 69588.

It is an arithmetic number, because the mean of its divisors is an integer number (14618672).

Almost surely, 2^87297663 is an apocalyptic number.

87297663 is a deficient number, since it is larger than the sum of its proper divisors (29651713).

87297663 is a wasteful number, since it uses less digits than its factorization.

87297663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138125.

The product of its digits is 762048, while the sum is 48.

The square root of 87297663 is about 9343.3218396885. The cubic root of 87297663 is about 443.6095351756.

The spelling of 87297663 in words is "eighty-seven million, two hundred ninety-seven thousand, six hundred sixty-three".