82555918 has 8 divisors (see below), whose sum is σ = 123934248. Its totient is φ = 41244504.

The previous prime is 82555897. The next prime is 82555951. The reversal of 82555918 is 81955528.

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

It is a congruent number.

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, 13521 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (15491781).

Almost surely, 2^82555918 is an apocalyptic number.

82555918 is a deficient number, since it is larger than the sum of its proper divisors (41378330).

82555918 is a wasteful number, since it uses less digits than its factorization.

82555918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33458.

The product of its digits is 144000, while the sum is 43.

The square root of 82555918 is about 9086.0287254664. The cubic root of 82555918 is about 435.4277168852.

The spelling of 82555918 in words is "eighty-two million, five hundred fifty-five thousand, nine hundred eighteen".