172214770255 has 32 divisors (see below), whose sum is σ = 229517149248. Its totient is φ = 122991436800.

The previous prime is 172214770241. The next prime is 172214770271. The reversal of 172214770255 is 552077412271.

It is not a de Polignac number, because 172214770255 - 2³¹ = 170067286607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014747 + ... + 2098483.

It is an arithmetic number, because the mean of its divisors is an integer number (7172410914).

Almost surely, 2^172214770255 is an apocalyptic number.

172214770255 is a deficient number, since it is larger than the sum of its proper divisors (57302378993).

172214770255 is a wasteful number, since it uses less digits than its factorization.

172214770255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84427.

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 172214770255 in words is "one hundred seventy-two billion, two hundred fourteen million, seven hundred seventy thousand, two hundred fifty-five".