87663283 has 16 divisors (see below), whose sum is σ = 96025600. Its totient is φ = 79742880.

The previous prime is 87663241. The next prime is 87663287. The reversal of 87663283 is 38236678.

It is a cyclic number.

It is not a de Polignac number, because 87663283 - 2²⁵ = 54108851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87663287) 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, 48958 + ... + 50716.

It is an arithmetic number, because the mean of its divisors is an integer number (6001600).

Almost surely, 2^87663283 is an apocalyptic number.

87663283 is a deficient number, since it is larger than the sum of its proper divisors (8362317).

87663283 is a wasteful number, since it uses less digits than its factorization.

87663283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 290304, while the sum is 43.

The square root of 87663283 is about 9362.8672424637. The cubic root of 87663283 is about 444.2279809489.

The spelling of 87663283 in words is "eighty-seven million, six hundred sixty-three thousand, two hundred eighty-three".