82102663 has 8 divisors (see below), whose sum is σ = 88436736. Its totient is φ = 75999000.

The previous prime is 82102651. The next prime is 82102681. The reversal of 82102663 is 36620128.

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

It is a cyclic number.

It is not a de Polignac number, because 82102663 - 2²¹ = 80005511 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 (82102613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56863 + ... + 58288.

It is an arithmetic number, because the mean of its divisors is an integer number (11054592).

Almost surely, 2^82102663 is an apocalyptic number.

82102663 is a deficient number, since it is larger than the sum of its proper divisors (6334073).

82102663 is a wasteful number, since it uses less digits than its factorization.

82102663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115205.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 82102663 is about 9061.0519808684. The cubic root of 82102663 is about 434.6293808923.

The spelling of 82102663 in words is "eighty-two million, one hundred two thousand, six hundred sixty-three".