172863039345 has 16 divisors (see below), whose sum is σ = 280476369792. Its totient is φ = 90895118720.

The previous prime is 172863039289. The next prime is 172863039359. The reversal of 172863039345 is 543930368271.

It is not a de Polignac number, because 172863039345 - 2¹⁰ = 172863038321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81155292 + ... + 81157421.

It is an arithmetic number, because the mean of its divisors is an integer number (17529773112).

It is a 1-persistent number, because it is pandigital, but 2⋅172863039345 = 345726078690 is not.

Almost surely, 2^172863039345 is an apocalyptic number.

172863039345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172863039345 is a deficient number, since it is larger than the sum of its proper divisors (107613330447).

172863039345 is a wasteful number, since it uses less digits than its factorization.

172863039345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162312792.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 172863039345 in words is "one hundred seventy-two billion, eight hundred sixty-three million, thirty-nine thousand, three hundred forty-five".