86340799 has 2 divisors, whose sum is σ = 86340800. Its totient is φ = 86340798.

The previous prime is 86340691. The next prime is 86340811. The reversal of 86340799 is 99704368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86340799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86340299) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43170399 + 43170400.

It is an arithmetic number, because the mean of its divisors is an integer number (43170400).

Almost surely, 2^86340799 is an apocalyptic number.

86340799 is a deficient number, since it is larger than the sum of its proper divisors (1).

86340799 is an equidigital number, since it uses as much as digits as its factorization.

86340799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 86340799 is about 9291.9749784424. The cubic root of 86340799 is about 441.9827853085.

The spelling of 86340799 in words is "eighty-six million, three hundred forty thousand, seven hundred ninety-nine".