86838793 has 2 divisors, whose sum is σ = 86838794. Its totient is φ = 86838792.

The previous prime is 86838769. The next prime is 86838799. The reversal of 86838793 is 39783868.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46744569 + 40094224 = 6837^2 + 6332^2 .

It is a cyclic number.

It is not a de Polignac number, because 86838793 - 2⁵ = 86838761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86838793.

It is not a weakly prime, because it can be changed into another prime (86838799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43419396 + 43419397.

It is an arithmetic number, because the mean of its divisors is an integer number (43419397).

Almost surely, 2^86838793 is an apocalyptic number.

It is an amenable number.

86838793 is a deficient number, since it is larger than the sum of its proper divisors (1).

86838793 is an equidigital number, since it uses as much as digits as its factorization.

86838793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 86838793 is about 9318.7334439826. The cubic root of 86838793 is about 442.8309087031.

The spelling of 86838793 in words is "eighty-six million, eight hundred thirty-eight thousand, seven hundred ninety-three".