86807437 has 2 divisors, whose sum is σ = 86807438. Its totient is φ = 86807436.

The previous prime is 86807431. The next prime is 86807489. The reversal of 86807437 is 73470868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63584676 + 23222761 = 7974^2 + 4819^2 .

It is a cyclic number.

It is not a de Polignac number, because 86807437 - 2⁷ = 86807309 is a prime.

It is a super-2 number, since 2×86807437² = 15071062237017938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86807393 and 86807402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86807431) 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, 43403718 + 43403719.

It is an arithmetic number, because the mean of its divisors is an integer number (43403719).

Almost surely, 2^86807437 is an apocalyptic number.

It is an amenable number.

86807437 is a deficient number, since it is larger than the sum of its proper divisors (1).

86807437 is an equidigital number, since it uses as much as digits as its factorization.

86807437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 86807437 is about 9317.0508746062. The cubic root of 86807437 is about 442.7776027359. Note that the first 3 decimals are identical.

The spelling of 86807437 in words is "eighty-six million, eight hundred seven thousand, four hundred thirty-seven".