172465639883 has 2 divisors, whose sum is σ = 172465639884. Its totient is φ = 172465639882.

The previous prime is 172465639813. The next prime is 172465639903. The reversal of 172465639883 is 388936564271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172465639883 - 2¹⁰ = 172465638859 is a prime.

It is not a weakly prime, because it can be changed into another prime (172465639813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86232819941 + 86232819942.

It is an arithmetic number, because the mean of its divisors is an integer number (86232819942).

Almost surely, 2^172465639883 is an apocalyptic number.

172465639883 is a deficient number, since it is larger than the sum of its proper divisors (1).

172465639883 is an equidigital number, since it uses as much as digits as its factorization.

172465639883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 62.

The spelling of 172465639883 in words is "one hundred seventy-two billion, four hundred sixty-five million, six hundred thirty-nine thousand, eight hundred eighty-three".