72859078811 has 2 divisors, whose sum is σ = 72859078812. Its totient is φ = 72859078810.

The previous prime is 72859078763. The next prime is 72859078847. The reversal of 72859078811 is 11887095827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72859078811 - 2²² = 72854884507 is a prime.

It is not a weakly prime, because it can be changed into another prime (72859078861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36429539405 + 36429539406.

It is an arithmetic number, because the mean of its divisors is an integer number (36429539406).

Almost surely, 2^72859078811 is an apocalyptic number.

72859078811 is a deficient number, since it is larger than the sum of its proper divisors (1).

72859078811 is an equidigital number, since it uses as much as digits as its factorization.

72859078811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 72859078811 in words is "seventy-two billion, eight hundred fifty-nine million, seventy-eight thousand, eight hundred eleven".