172776470223 has 8 divisors (see below), whose sum is σ = 263278430848. Its totient is φ = 98729411544.

The previous prime is 172776470201. The next prime is 172776470261. The reversal of 172776470223 is 322074677271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172776470223 - 2¹² = 172776466127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172776470023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113725461 + ... + 4113725502.

It is an arithmetic number, because the mean of its divisors is an integer number (32909803856).

Almost surely, 2^172776470223 is an apocalyptic number.

172776470223 is a deficient number, since it is larger than the sum of its proper divisors (90501960625).

172776470223 is an equidigital number, since it uses as much as digits as its factorization.

172776470223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227450973.

The product of its (nonzero) digits is 1382976, while the sum is 48.

The spelling of 172776470223 in words is "one hundred seventy-two billion, seven hundred seventy-six million, four hundred seventy thousand, two hundred twenty-three".