87031463 has 2 divisors, whose sum is σ = 87031464. Its totient is φ = 87031462.

The previous prime is 87031447. The next prime is 87031493. The reversal of 87031463 is 36413078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87031463 - 2⁴ = 87031447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87031423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43515731 + 43515732.

It is an arithmetic number, because the mean of its divisors is an integer number (43515732).

Almost surely, 2^87031463 is an apocalyptic number.

87031463 is a deficient number, since it is larger than the sum of its proper divisors (1).

87031463 is an equidigital number, since it uses as much as digits as its factorization.

87031463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 87031463 is about 9329.0654944641. The cubic root of 87031463 is about 443.1581710769.

The spelling of 87031463 in words is "eighty-seven million, thirty-one thousand, four hundred sixty-three".