86358277517 has 2 divisors, whose sum is σ = 86358277518. Its totient is φ = 86358277516.

The previous prime is 86358277513. The next prime is 86358277619. The reversal of 86358277517 is 71577285368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75399118921 + 10959158596 = 274589^2 + 104686^2 .

It is a cyclic number.

It is not a de Polignac number, because 86358277517 - 2² = 86358277513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86358277513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43179138758 + 43179138759.

It is an arithmetic number, because the mean of its divisors is an integer number (43179138759).

Almost surely, 2^86358277517 is an apocalyptic number.

It is an amenable number.

86358277517 is a deficient number, since it is larger than the sum of its proper divisors (1).

86358277517 is an equidigital number, since it uses as much as digits as its factorization.

86358277517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19756800, while the sum is 59.

The spelling of 86358277517 in words is "eighty-six billion, three hundred fifty-eight million, two hundred seventy-seven thousand, five hundred seventeen".