82689703 has 4 divisors (see below), whose sum is σ = 82728000. Its totient is φ = 82651408.

The previous prime is 82689697. The next prime is 82689713. The reversal of 82689703 is 30798628.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82689703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82689703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82689713) 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, 15703 + ... + 20296.

It is an arithmetic number, because the mean of its divisors is an integer number (20682000).

Almost surely, 2^82689703 is an apocalyptic number.

82689703 is a deficient number, since it is larger than the sum of its proper divisors (38297).

82689703 is a wasteful number, since it uses less digits than its factorization.

82689703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38296.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 82689703 is about 9093.3878725148. The cubic root of 82689703 is about 435.6627989942.

It can be divided in two parts, 8268 and 9703, that added together give a palindrome (17971).

The spelling of 82689703 in words is "eighty-two million, six hundred eighty-nine thousand, seven hundred three".