72927168715859 has 2 divisors, whose sum is σ = 72927168715860. Its totient is φ = 72927168715858.

The previous prime is 72927168715853. The next prime is 72927168715867. The reversal of 72927168715859 is 95851786172927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72927168715859 - 2³⁶ = 72858449239123 is a prime.

It is a super-2 number, since 2×72927168715859² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72927168715859.

It is not a weakly prime, because it can be changed into another prime (72927168715853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36463584357929 + 36463584357930.

It is an arithmetic number, because the mean of its divisors is an integer number (36463584357930).

Almost surely, 2^{72927168715859} is an apocalyptic number.

72927168715859 is a deficient number, since it is larger than the sum of its proper divisors (1).

72927168715859 is an equidigital number, since it uses as much as digits as its factorization.

72927168715859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1066867200, while the sum is 77.

The spelling of 72927168715859 in words is "seventy-two trillion, nine hundred twenty-seven billion, one hundred sixty-eight million, seven hundred fifteen thousand, eight hundred fifty-nine".