83219642171 has 8 divisors (see below), whose sum is σ = 84148162560. Its totient is φ = 82295391528.

The previous prime is 83219642123. The next prime is 83219642183. The reversal of 83219642171 is 17124691238.

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

It is a cyclic number.

It is not a de Polignac number, because 83219642171 - 2²² = 83215447867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83219642371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028231 + ... + 1106208.

It is an arithmetic number, because the mean of its divisors is an integer number (10518520320).

Almost surely, 2^83219642171 is an apocalyptic number.

83219642171 is a deficient number, since it is larger than the sum of its proper divisors (928520389).

83219642171 is a wasteful number, since it uses less digits than its factorization.

83219642171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134873.

The product of its digits is 145152, while the sum is 44.

The spelling of 83219642171 in words is "eighty-three billion, two hundred nineteen million, six hundred forty-two thousand, one hundred seventy-one".