86838799 has 2 divisors, whose sum is σ = 86838800. Its totient is φ = 86838798.

The previous prime is 86838793. The next prime is 86838803. The reversal of 86838799 is 99783868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86838799 - 2¹⁷ = 86707727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86838793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43419399 + 43419400.

It is an arithmetic number, because the mean of its divisors is an integer number (43419400).

Almost surely, 2^86838799 is an apocalyptic number.

86838799 is a deficient number, since it is larger than the sum of its proper divisors (1).

86838799 is an equidigital number, since it uses as much as digits as its factorization.

86838799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 58.

The square root of 86838799 is about 9318.7337659148. The cubic root of 86838799 is about 442.8309189021.

The spelling of 86838799 in words is "eighty-six million, eight hundred thirty-eight thousand, seven hundred ninety-nine".