86136797 has 2 divisors, whose sum is σ = 86136798. Its totient is φ = 86136796.

The previous prime is 86136767. The next prime is 86136821. The reversal of 86136797 is 79763168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53085796 + 33051001 = 7286^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 86136797 - 2¹² = 86132701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86136707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43068398 + 43068399.

It is an arithmetic number, because the mean of its divisors is an integer number (43068399).

Almost surely, 2^86136797 is an apocalyptic number.

It is an amenable number.

86136797 is a deficient number, since it is larger than the sum of its proper divisors (1).

86136797 is an equidigital number, since it uses as much as digits as its factorization.

86136797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 86136797 is about 9280.9911647410. The cubic root of 86136797 is about 441.6344120427.

The spelling of 86136797 in words is "eighty-six million, one hundred thirty-six thousand, seven hundred ninety-seven".