82566842 has 8 divisors (see below), whose sum is σ = 125949600. Its totient is φ = 40583644.

The previous prime is 82566839. The next prime is 82566851. The reversal of 82566842 is 24866528.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82566842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349742 + ... + 349977.

It is an arithmetic number, because the mean of its divisors is an integer number (15743700).

Almost surely, 2^82566842 is an apocalyptic number.

82566842 is a deficient number, since it is larger than the sum of its proper divisors (43382758).

82566842 is a wasteful number, since it uses less digits than its factorization.

82566842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699780.

The product of its digits is 184320, while the sum is 41.

The square root of 82566842 is about 9086.6298482991. The cubic root of 82566842 is about 435.4469216565.

The spelling of 82566842 in words is "eighty-two million, five hundred sixty-six thousand, eight hundred forty-two".