172838526860 has 12 divisors (see below), whose sum is σ = 362960906448. Its totient is φ = 69135410736.

The previous prime is 172838526859. The next prime is 172838526871. The reversal of 172838526860 is 68625838271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172838526796 and 172838526805.

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, 4320963152 + ... + 4320963191.

It is an arithmetic number, because the mean of its divisors is an integer number (30246742204).

Almost surely, 2^172838526860 is an apocalyptic number.

172838526860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172838526860 is an abundant number, since it is smaller than the sum of its proper divisors (190122379588).

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

172838526860 is a wasteful number, since it uses less digits than its factorization.

172838526860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641926352 (or 8641926350 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 172838526860 in words is "one hundred seventy-two billion, eight hundred thirty-eight million, five hundred twenty-six thousand, eight hundred sixty".