172448356083 has 4 divisors (see below), whose sum is σ = 229931141448. Its totient is φ = 114965570720.

The previous prime is 172448356079. The next prime is 172448356103. The reversal of 172448356083 is 380653844271.

It is a happy number.

172448356083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172448356083 - 2² = 172448356079 is a prime.

It is a super-5 number, since 5×172448356083⁵ (a number of 57 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (172448356783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28741392678 + ... + 28741392683.

It is an arithmetic number, because the mean of its divisors is an integer number (57482785362).

Almost surely, 2^172448356083 is an apocalyptic number.

172448356083 is a deficient number, since it is larger than the sum of its proper divisors (57482785365).

172448356083 is an equidigital number, since it uses as much as digits as its factorization.

172448356083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57482785364.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 172448356083 in words is "one hundred seventy-two billion, four hundred forty-eight million, three hundred fifty-six thousand, eighty-three".