8406431087 has 2 divisors, whose sum is σ = 8406431088. Its totient is φ = 8406431086.

The previous prime is 8406431039. The next prime is 8406431101. The reversal of 8406431087 is 7801346048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8406431087 - 2¹⁰ = 8406430063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8406431287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203215543 + 4203215544.

It is an arithmetic number, because the mean of its divisors is an integer number (4203215544).

Almost surely, 2^8406431087 is an apocalyptic number.

8406431087 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406431087 is an equidigital number, since it uses as much as digits as its factorization.

8406431087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8406431087 is about 91686.5916423988. The cubic root of 8406431087 is about 2033.3113537861.

The spelling of 8406431087 in words is "eight billion, four hundred six million, four hundred thirty-one thousand, eighty-seven".