82966642 has 8 divisors (see below), whose sum is σ = 135763632. Its totient is φ = 37712100.

The previous prime is 82966619. The next prime is 82966643. The reversal of 82966642 is 24666928.

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

It is not an unprimeable number, because it can be changed into a prime (82966643) 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, 1885584 + ... + 1885627.

It is an arithmetic number, because the mean of its divisors is an integer number (16970454).

Almost surely, 2^82966642 is an apocalyptic number.

82966642 is a deficient number, since it is larger than the sum of its proper divisors (52796990).

82966642 is a wasteful number, since it uses less digits than its factorization.

82966642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771224.

The product of its digits is 248832, while the sum is 43.

The square root of 82966642 is about 9108.6026370679. The cubic root of 82966642 is about 436.1486215826.

The spelling of 82966642 in words is "eighty-two million, nine hundred sixty-six thousand, six hundred forty-two".