82037173818 has 32 divisors (see below), whose sum is σ = 168739013376. Its totient is φ = 26570299968.

The previous prime is 82037173787. The next prime is 82037173837. The reversal of 82037173818 is 81837173028.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89346 + ... + 414797.

It is an arithmetic number, because the mean of its divisors is an integer number (5273094168).

Almost surely, 2^82037173818 is an apocalyptic number.

82037173818 is an abundant number, since it is smaller than the sum of its proper divisors (86701839558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82037173818 is a wasteful number, since it uses less digits than its factorization.

82037173818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504918.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 82037173818 in words is "eighty-two billion, thirty-seven million, one hundred seventy-three thousand, eight hundred eighteen".