82756663 has 16 divisors (see below), whose sum is σ = 96127776. Its totient is φ = 70410240.

The previous prime is 82756657. The next prime is 82756693. The reversal of 82756663 is 36665728.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82756663 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 (82756643) 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, 34945 + ... + 37237.

It is an arithmetic number, because the mean of its divisors is an integer number (6007986).

Almost surely, 2^82756663 is an apocalyptic number.

82756663 is a deficient number, since it is larger than the sum of its proper divisors (13371113).

82756663 is a wasteful number, since it uses less digits than its factorization.

82756663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514.

The product of its digits is 362880, while the sum is 43.

The square root of 82756663 is about 9097.0689235599. The cubic root of 82756663 is about 435.7803634521.

The spelling of 82756663 in words is "eighty-two million, seven hundred fifty-six thousand, six hundred sixty-three".