86357591497 has 2 divisors, whose sum is σ = 86357591498. Its totient is φ = 86357591496.

The previous prime is 86357591387. The next prime is 86357591501. The reversal of 86357591497 is 79419575368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83303813376 + 3053778121 = 288624^2 + 55261^2 .

It is a cyclic number.

It is not a de Polignac number, because 86357591497 - 2¹¹ = 86357589449 is a prime.

It is not a weakly prime, because it can be changed into another prime (86357591297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43178795748 + 43178795749.

It is an arithmetic number, because the mean of its divisors is an integer number (43178795749).

Almost surely, 2^86357591497 is an apocalyptic number.

It is an amenable number.

86357591497 is a deficient number, since it is larger than the sum of its proper divisors (1).

86357591497 is an equidigital number, since it uses as much as digits as its factorization.

86357591497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57153600, while the sum is 64.

The spelling of 86357591497 in words is "eighty-six billion, three hundred fifty-seven million, five hundred ninety-one thousand, four hundred ninety-seven".