82768963 has 4 divisors (see below), whose sum is σ = 85006000. Its totient is φ = 80531928.

The previous prime is 82768951. The next prime is 82768979. The reversal of 82768963 is 36986728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82768963 - 2¹³ = 82760771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82708963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118463 + ... + 1118536.

It is an arithmetic number, because the mean of its divisors is an integer number (21251500).

Almost surely, 2^82768963 is an apocalyptic number.

82768963 is a deficient number, since it is larger than the sum of its proper divisors (2237037).

82768963 is a wasteful number, since it uses less digits than its factorization.

82768963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237036.

The product of its digits is 870912, while the sum is 49.

The square root of 82768963 is about 9097.7449403685. The cubic root of 82768963 is about 435.8019521788.

The spelling of 82768963 in words is "eighty-two million, seven hundred sixty-eight thousand, nine hundred sixty-three".