82678694 has 16 divisors (see below), whose sum is σ = 142587648. Its totient is φ = 35220552.

The previous prime is 82678693. The next prime is 82678697. The reversal of 82678694 is 49687628.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82678693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15344 + ... + 20019.

It is an arithmetic number, because the mean of its divisors is an integer number (8911728).

Almost surely, 2^82678694 is an apocalyptic number.

82678694 is a deficient number, since it is larger than the sum of its proper divisors (59908954).

82678694 is a wasteful number, since it uses less digits than its factorization.

82678694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35539.

The product of its digits is 1161216, while the sum is 50.

The square root of 82678694 is about 9092.7825224185. The cubic root of 82678694 is about 435.6434639604.

It can be divided in two parts, 8267 and 8694, that added together give a palindrome (16961).

The spelling of 82678694 in words is "eighty-two million, six hundred seventy-eight thousand, six hundred ninety-four".