83766782 has 32 divisors (see below), whose sum is σ = 150577920. Its totient is φ = 34499520.

The previous prime is 83766751. The next prime is 83766799. The reversal of 83766782 is 28766738.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5258 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (4705560).

Almost surely, 2^83766782 is an apocalyptic number.

83766782 is a deficient number, since it is larger than the sum of its proper divisors (66811138).

83766782 is a wasteful number, since it uses less digits than its factorization.

83766782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768.

The product of its digits is 677376, while the sum is 47.

The square root of 83766782 is about 9152.4194615413. The cubic root of 83766782 is about 437.5462277139.

It can be divided in two parts, 83766 and 782, that added together give a palindrome (84548).

The spelling of 83766782 in words is "eighty-three million, seven hundred sixty-six thousand, seven hundred eighty-two".