72928296238163 has 2 divisors, whose sum is σ = 72928296238164. Its totient is φ = 72928296238162.

The previous prime is 72928296238153. The next prime is 72928296238241. The reversal of 72928296238163 is 36183269282927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72928296238163 - 2¹⁴ = 72928296221779 is a prime.

It is a super-2 number, since 2×72928296238163² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72928296238093 and 72928296238102.

It is not a weakly prime, because it can be changed into another prime (72928296238123) 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 as a sum of consecutive naturals, namely, 36464148119081 + 36464148119082.

It is an arithmetic number, because the mean of its divisors is an integer number (36464148119082).

Almost surely, 2^{72928296238163} is an apocalyptic number.

72928296238163 is a deficient number, since it is larger than the sum of its proper divisors (1).

72928296238163 is an equidigital number, since it uses as much as digits as its factorization.

72928296238163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188116992, while the sum is 68.

The spelling of 72928296238163 in words is "seventy-two trillion, nine hundred twenty-eight billion, two hundred ninety-six million, two hundred thirty-eight thousand, one hundred sixty-three".