172874314603 has 4 divisors (see below), whose sum is σ = 181972962760. Its totient is φ = 163775666448.

The previous prime is 172874314553. The next prime is 172874314609. The reversal of 172874314603 is 306413478271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172874314603 - 2²¹ = 172872217451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172874314609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4549324050 + ... + 4549324087.

It is an arithmetic number, because the mean of its divisors is an integer number (45493240690).

Almost surely, 2^172874314603 is an apocalyptic number.

172874314603 is a deficient number, since it is larger than the sum of its proper divisors (9098648157).

172874314603 is an equidigital number, since it uses as much as digits as its factorization.

172874314603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098648156.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 172874314603 in words is "one hundred seventy-two billion, eight hundred seventy-four million, three hundred fourteen thousand, six hundred three".