86215177351 has 2 divisors, whose sum is σ = 86215177352. Its totient is φ = 86215177350.

The previous prime is 86215177319. The next prime is 86215177369. The reversal of 86215177351 is 15377151268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86215177351 - 2⁵ = 86215177319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86215171351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43107588675 + 43107588676.

It is an arithmetic number, because the mean of its divisors is an integer number (43107588676).

Almost surely, 2^86215177351 is an apocalyptic number.

86215177351 is a deficient number, since it is larger than the sum of its proper divisors (1).

86215177351 is an equidigital number, since it uses as much as digits as its factorization.

86215177351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 46.

The spelling of 86215177351 in words is "eighty-six billion, two hundred fifteen million, one hundred seventy-seven thousand, three hundred fifty-one".