82687834 has 8 divisors (see below), whose sum is σ = 124208820. Its totient is φ = 41284896.

The previous prime is 82687817. The next prime is 82687861. The reversal of 82687834 is 43878628.

It can be written as a sum of positive squares in 2 ways, for example, as 81956809 + 731025 = 9053^2 + 855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×82687834² = 13674555783223112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27739 + ... + 30574.

Almost surely, 2^82687834 is an apocalyptic number.

82687834 is a deficient number, since it is larger than the sum of its proper divisors (41520986).

82687834 is a wasteful number, since it uses less digits than its factorization.

82687834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59024.

The product of its digits is 516096, while the sum is 46.

The square root of 82687834 is about 9093.2851049552. The cubic root of 82687834 is about 435.6595166029.

It can be divided in two parts, 82687 and 834, that added together give a 4-th power (83521 = 17⁴).

The spelling of 82687834 in words is "eighty-two million, six hundred eighty-seven thousand, eight hundred thirty-four".