82876646 has 4 divisors (see below), whose sum is σ = 124314972. Its totient is φ = 41438322.

The previous prime is 82876637. The next prime is 82876657. The reversal of 82876646 is 64667828.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82876646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719160 + ... + 20719163.

It is an arithmetic number, because the mean of its divisors is an integer number (31078743).

Almost surely, 2^82876646 is an apocalyptic number.

82876646 is a deficient number, since it is larger than the sum of its proper divisors (41438326).

82876646 is a wasteful number, since it uses less digits than its factorization.

82876646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41438325.

The product of its digits is 774144, while the sum is 47.

The square root of 82876646 is about 9103.6611316547. The cubic root of 82876646 is about 435.9908640736.

The spelling of 82876646 in words is "eighty-two million, eight hundred seventy-six thousand, six hundred forty-six".