172341374878370 has 32 divisors (see below), whose sum is σ = 311174160306048. Its totient is φ = 68723388062208.

The previous prime is 172341374878339. The next prime is 172341374878417. The reversal of 172341374878370 is 73878473143271.

It is a junction number, because it is equal to n+sod(n) for n = 172341374878297 and 172341374878306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7234457 + ... + 19925363.

It is an arithmetic number, because the mean of its divisors is an integer number (9724192509564).

Almost surely, 2^{172341374878370} is an apocalyptic number.

172341374878370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172341374878370 is a deficient number, since it is larger than the sum of its proper divisors (138832785427678).

172341374878370 is a wasteful number, since it uses less digits than its factorization.

172341374878370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695114.

The product of its (nonzero) digits is 132765696, while the sum is 65.

The spelling of 172341374878370 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".