172341374878371 has 24 divisors (see below), whose sum is σ = 242528058436944. Its totient is φ = 108843192434880.

The previous prime is 172341374878339. The next prime is 172341374878417. The reversal of 172341374878371 is 173878473143271.

172341374878371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172341374878371 - 2⁵ = 172341374878339 is a prime.

It is a super-2 number, since 2×172341374878371² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172341374878331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26766741 + ... + 32575161.

It is an arithmetic number, because the mean of its divisors is an integer number (10105335768206).

Almost surely, 2^{172341374878371} is an apocalyptic number.

172341374878371 is a deficient number, since it is larger than the sum of its proper divisors (70186683558573).

172341374878371 is a wasteful number, since it uses less digits than its factorization.

172341374878371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835859 (or 5835840 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 66.

The spelling of 172341374878371 in words is "one hundred seventy-two trillion, three hundred forty-one billion, three hundred seventy-four million, eight hundred seventy-eight thousand, three hundred seventy-one".