82618875 has 96 divisors (see below), whose sum is σ = 161980416. Its totient is φ = 40392000.

The previous prime is 82618831. The next prime is 82618889. The reversal of 82618875 is 57881628.

It is not a de Polignac number, because 82618875 - 2⁷ = 82618747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 82618875.

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 95 ways as a sum of consecutive naturals, for example, 802074 + ... + 802176.

It is an arithmetic number, because the mean of its divisors is an integer number (1687296).

Almost surely, 2^82618875 is an apocalyptic number.

82618875 is a deficient number, since it is larger than the sum of its proper divisors (79361541).

82618875 is a wasteful number, since it uses less digits than its factorization.

82618875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 165 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 82618875 is about 9089.4925600938. The cubic root of 82618875 is about 435.5383742350.

It can be divided in two parts, 826 and 18875, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 82618875 in words is "eighty-two million, six hundred eighteen thousand, eight hundred seventy-five".