82663287 has 16 divisors (see below), whose sum is σ = 126235392. Its totient is φ = 47134080.

The previous prime is 82663277. The next prime is 82663297. The reversal of 82663287 is 78236628.

It is an interprime number because it is at equal distance from previous prime (82663277) and next prime (82663297).

It is not a de Polignac number, because 82663287 - 2⁷ = 82663159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82663237) 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, 6303 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (7889712).

Almost surely, 2^82663287 is an apocalyptic number.

82663287 is a deficient number, since it is larger than the sum of its proper divisors (43572105).

82663287 is a wasteful number, since it uses less digits than its factorization.

82663287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518.

The product of its digits is 193536, while the sum is 42.

The square root of 82663287 is about 9091.9352725369. The cubic root of 82663287 is about 435.6164018662.

The spelling of 82663287 in words is "eighty-two million, six hundred sixty-three thousand, two hundred eighty-seven".