86075225077 has 2 divisors, whose sum is σ = 86075225078. Its totient is φ = 86075225076.

The previous prime is 86075225063. The next prime is 86075225081. The reversal of 86075225077 is 77052257068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74089573636 + 11985651441 = 272194^2 + 109479^2 .

It is a cyclic number.

It is not a de Polignac number, because 86075225077 - 2²³ = 86066836469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86075225077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86075225377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43037612538 + 43037612539.

It is an arithmetic number, because the mean of its divisors is an integer number (43037612539).

Almost surely, 2^86075225077 is an apocalyptic number.

It is an amenable number.

86075225077 is a deficient number, since it is larger than the sum of its proper divisors (1).

86075225077 is an equidigital number, since it uses as much as digits as its factorization.

86075225077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 86075225077 in words is "eighty-six billion, seventy-five million, two hundred twenty-five thousand, seventy-seven".