82169886258 has 48 divisors (see below), whose sum is σ = 180695448960. Its totient is φ = 26983383552.

The previous prime is 82169886233. The next prime is 82169886277. The reversal of 82169886258 is 85268896128.

82169886258 is a `hidden beast` number, since 8 + 216 + 98 + 86 + 258 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 82169886195 and 82169886204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243003 + ... + 472641.

It is an arithmetic number, because the mean of its divisors is an integer number (3764488520).

Almost surely, 2^82169886258 is an apocalyptic number.

82169886258 is an abundant number, since it is smaller than the sum of its proper divisors (98525562702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82169886258 is a wasteful number, since it uses less digits than its factorization.

82169886258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229943 (or 229940 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 63.

The spelling of 82169886258 in words is "eighty-two billion, one hundred sixty-nine million, eight hundred eighty-six thousand, two hundred fifty-eight".