86357591387 has 2 divisors, whose sum is σ = 86357591388. Its totient is φ = 86357591386.

The previous prime is 86357591381. The next prime is 86357591497. The reversal of 86357591387 is 78319575368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86357591387 - 2⁴ = 86357591371 is a prime.

It is not a weakly prime, because it can be changed into another prime (86357591381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43178795693 + 43178795694.

It is an arithmetic number, because the mean of its divisors is an integer number (43178795694).

Almost surely, 2^86357591387 is an apocalyptic number.

86357591387 is a deficient number, since it is larger than the sum of its proper divisors (1).

86357591387 is an equidigital number, since it uses as much as digits as its factorization.

86357591387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38102400, while the sum is 62.

The spelling of 86357591387 in words is "eighty-six billion, three hundred fifty-seven million, five hundred ninety-one thousand, three hundred eighty-seven".