82571217196 has 18 divisors (see below), whose sum is σ = 156470014932. Its totient is φ = 38109792240.

The previous prime is 82571217151. The next prime is 82571217217. The reversal of 82571217196 is 69171217528.

It is a super-2 number, since 2×82571217196² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61072710 + ... + 61074061.

Almost surely, 2^82571217196 is an apocalyptic number.

It is an amenable number.

82571217196 is a deficient number, since it is larger than the sum of its proper divisors (73898797736).

82571217196 is a wasteful number, since it uses less digits than its factorization.

82571217196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122146801 (or 122146786 counting only the distinct ones).

The product of its digits is 423360, while the sum is 49.

The spelling of 82571217196 in words is "eighty-two billion, five hundred seventy-one million, two hundred seventeen thousand, one hundred ninety-six".