872088431356811 has 2 divisors, whose sum is σ = 872088431356812. Its totient is φ = 872088431356810.

The previous prime is 872088431356801. The next prime is 872088431356841. The reversal of 872088431356811 is 118653134880278.

872088431356811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872088431356811 is a prime.

It is not a weakly prime, because it can be changed into another prime (872088431356801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436044215678405 + 436044215678406.

It is an arithmetic number, because the mean of its divisors is an integer number (436044215678406).

Almost surely, 2^{872088431356811} is an apocalyptic number.

872088431356811 is a deficient number, since it is larger than the sum of its proper divisors (1).

872088431356811 is an equidigital number, since it uses as much as digits as its factorization.

872088431356811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 872088431356811 in words is "eight hundred seventy-two trillion, eighty-eight billion, four hundred thirty-one million, three hundred fifty-six thousand, eight hundred eleven".