82417121642 has 8 divisors (see below), whose sum is σ = 124023193632. Its totient is φ = 41076057100.

The previous prime is 82417121603. The next prime is 82417121651. The reversal of 82417121642 is 24612171428.

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

It is a junction number, because it is equal to n+sod(n) for n = 82417121596 and 82417121605.

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, 66251084 + ... + 66252327.

It is an arithmetic number, because the mean of its divisors is an integer number (15502899204).

Almost surely, 2^82417121642 is an apocalyptic number.

82417121642 is a deficient number, since it is larger than the sum of its proper divisors (41606071990).

82417121642 is a wasteful number, since it uses less digits than its factorization.

82417121642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132503724.

The product of its digits is 43008, while the sum is 38.

The spelling of 82417121642 in words is "eighty-two billion, four hundred seventeen million, one hundred twenty-one thousand, six hundred forty-two".