87283863 has 24 divisors (see below), whose sum is σ = 129024480. Its totient is φ = 56842560.

The previous prime is 87283787. The next prime is 87283871. The reversal of 87283863 is 36838278.

It is not a de Polignac number, because 87283863 - 2⁹ = 87283351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87283883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94518 + ... + 95436.

It is an arithmetic number, because the mean of its divisors is an integer number (5376020).

Almost surely, 2^87283863 is an apocalyptic number.

87283863 is a deficient number, since it is larger than the sum of its proper divisors (41740617).

87283863 is a wasteful number, since it uses less digits than its factorization.

87283863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1156 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 87283863 is about 9342.5833151222. The cubic root of 87283863 is about 443.5861587033.

The spelling of 87283863 in words is "eighty-seven million, two hundred eighty-three thousand, eight hundred sixty-three".