86312770823 has 2 divisors, whose sum is σ = 86312770824. Its totient is φ = 86312770822.

The previous prime is 86312770759. The next prime is 86312770849. The reversal of 86312770823 is 32807721368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86312770823 - 2⁶ = 86312770759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86312773823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43156385411 + 43156385412.

It is an arithmetic number, because the mean of its divisors is an integer number (43156385412).

Almost surely, 2^86312770823 is an apocalyptic number.

86312770823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86312770823 is an equidigital number, since it uses as much as digits as its factorization.

86312770823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 86312770823 in words is "eighty-six billion, three hundred twelve million, seven hundred seventy thousand, eight hundred twenty-three".