83847252172 has 12 divisors (see below), whose sum is σ = 146777737960. Its totient is φ = 41910755616.

The previous prime is 83847252161. The next prime is 83847252179. The reversal of 83847252172 is 27125274838.

It is not an unprimeable number, because it can be changed into a prime (83847252179) 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, 3202953 + ... + 3229024.

Almost surely, 2^83847252172 is an apocalyptic number.

It is an amenable number.

83847252172 is a deficient number, since it is larger than the sum of its proper divisors (62930485788).

83847252172 is a wasteful number, since it uses less digits than its factorization.

83847252172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435240 (or 6435238 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The spelling of 83847252172 in words is "eighty-three billion, eight hundred forty-seven million, two hundred fifty-two thousand, one hundred seventy-two".