172777020333253 has 8 divisors (see below), whose sum is σ = 197702928328640. Its totient is φ = 147911981467680.

The previous prime is 172777020333251. The next prime is 172777020333311. The reversal of 172777020333253 is 352333020777271.

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

It is a cyclic number.

It is not a de Polignac number, because 172777020333253 - 2¹ = 172777020333251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172777020333253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172777020333251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15217276368 + ... + 15217287721.

It is an arithmetic number, because the mean of its divisors is an integer number (24712866041080).

Almost surely, 2^{172777020333253} is an apocalyptic number.

It is an amenable number.

172777020333253 is a deficient number, since it is larger than the sum of its proper divisors (24925907995387).

172777020333253 is an equidigital number, since it uses as much as digits as its factorization.

172777020333253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30434564907.

The product of its (nonzero) digits is 7779240, while the sum is 52.

The spelling of 172777020333253 in words is "one hundred seventy-two trillion, seven hundred seventy-seven billion, twenty million, three hundred thirty-three thousand, two hundred fifty-three".