172615228763 has 2 divisors, whose sum is σ = 172615228764. Its totient is φ = 172615228762.

The previous prime is 172615228697. The next prime is 172615228837. The reversal of 172615228763 is 367822516271.

172615228763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172615228763 - 2¹² = 172615224667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (172615228663) 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 as a sum of consecutive naturals, namely, 86307614381 + 86307614382.

It is an arithmetic number, because the mean of its divisors is an integer number (86307614382).

Almost surely, 2^172615228763 is an apocalyptic number.

172615228763 is a deficient number, since it is larger than the sum of its proper divisors (1).

172615228763 is an equidigital number, since it uses as much as digits as its factorization.

172615228763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The spelling of 172615228763 in words is "one hundred seventy-two billion, six hundred fifteen million, two hundred twenty-eight thousand, seven hundred sixty-three".