72950871167 has 2 divisors, whose sum is σ = 72950871168. Its totient is φ = 72950871166.

The previous prime is 72950871157. The next prime is 72950871187. The reversal of 72950871167 is 76117805927.

It is a weak prime.

It is an emirp because it is prime and its reverse (76117805927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72950871167 - 2⁴ = 72950871151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72950871157) 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, 36475435583 + 36475435584.

It is an arithmetic number, because the mean of its divisors is an integer number (36475435584).

Almost surely, 2^72950871167 is an apocalyptic number.

72950871167 is a deficient number, since it is larger than the sum of its proper divisors (1).

72950871167 is an equidigital number, since it uses as much as digits as its factorization.

72950871167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 53.

The spelling of 72950871167 in words is "seventy-two billion, nine hundred fifty million, eight hundred seventy-one thousand, one hundred sixty-seven".