86999503 has 2 divisors, whose sum is σ = 86999504. Its totient is φ = 86999502.

The previous prime is 86999477. The next prime is 86999519. The reversal of 86999503 is 30599968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86999503 - 2²⁵ = 53445071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86999533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43499751 + 43499752.

It is an arithmetic number, because the mean of its divisors is an integer number (43499752).

Almost surely, 2^86999503 is an apocalyptic number.

86999503 is a deficient number, since it is larger than the sum of its proper divisors (1).

86999503 is an equidigital number, since it uses as much as digits as its factorization.

86999503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 86999503 is about 9327.3524110543. The cubic root of 86999503 is about 443.1039184012.

The spelling of 86999503 in words is "eighty-six million, nine hundred ninety-nine thousand, five hundred three".