82117473430 has 8 divisors (see below), whose sum is σ = 147811452192. Its totient is φ = 32846989368.

The previous prime is 82117473379. The next prime is 82117473437. The reversal of 82117473430 is 3437471128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82117473437) 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, 4105873662 + ... + 4105873681.

It is an arithmetic number, because the mean of its divisors is an integer number (18476431524).

Almost surely, 2^82117473430 is an apocalyptic number.

82117473430 is a deficient number, since it is larger than the sum of its proper divisors (65693978762).

82117473430 is a wasteful number, since it uses less digits than its factorization.

82117473430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211747350.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 82117473430 in words is "eighty-two billion, one hundred seventeen million, four hundred seventy-three thousand, four hundred thirty".