86424937 has 2 divisors, whose sum is σ = 86424938. Its totient is φ = 86424936.

The previous prime is 86424907. The next prime is 86424953. The reversal of 86424937 is 73942468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83521321 + 2903616 = 9139^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 86424937 - 2¹⁹ = 85900649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86424893 and 86424902.

It is not a weakly prime, because it can be changed into another prime (86424907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43212468 + 43212469.

It is an arithmetic number, because the mean of its divisors is an integer number (43212469).

Almost surely, 2^86424937 is an apocalyptic number.

It is an amenable number.

86424937 is a deficient number, since it is larger than the sum of its proper divisors (1).

86424937 is an equidigital number, since it uses as much as digits as its factorization.

86424937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 86424937 is about 9296.5013311460. The cubic root of 86424937 is about 442.1263075482.

The spelling of 86424937 in words is "eighty-six million, four hundred twenty-four thousand, nine hundred thirty-seven".