86599255277 has 2 divisors, whose sum is σ = 86599255278. Its totient is φ = 86599255276.

The previous prime is 86599255271. The next prime is 86599255343. The reversal of 86599255277 is 77255299568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53847666601 + 32751588676 = 232051^2 + 180974^2 .

It is a cyclic number.

It is not a de Polignac number, because 86599255277 - 2⁴ = 86599255261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86599255271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43299627638 + 43299627639.

It is an arithmetic number, because the mean of its divisors is an integer number (43299627639).

Almost surely, 2^86599255277 is an apocalyptic number.

It is an amenable number.

86599255277 is a deficient number, since it is larger than the sum of its proper divisors (1).

86599255277 is an equidigital number, since it uses as much as digits as its factorization.

86599255277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256000, while the sum is 65.

The spelling of 86599255277 in words is "eighty-six billion, five hundred ninety-nine million, two hundred fifty-five thousand, two hundred seventy-seven".