86472779852233 has 2 divisors, whose sum is σ = 86472779852234. Its totient is φ = 86472779852232.

The previous prime is 86472779852177. The next prime is 86472779852237. The reversal of 86472779852233 is 33225897727468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59684153704704 + 26788626147529 = 7725552^2 + 5175773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86472779852233 is a prime.

It is not a weakly prime, because it can be changed into another prime (86472779852237) 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, 43236389926116 + 43236389926117.

It is an arithmetic number, because the mean of its divisors is an integer number (43236389926117).

Almost surely, 2^{86472779852233} is an apocalyptic number.

It is an amenable number.

86472779852233 is a deficient number, since it is larger than the sum of its proper divisors (1).

86472779852233 is an equidigital number, since it uses as much as digits as its factorization.

86472779852233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1706987520, while the sum is 73.

The spelling of 86472779852233 in words is "eighty-six trillion, four hundred seventy-two billion, seven hundred seventy-nine million, eight hundred fifty-two thousand, two hundred thirty-three".