87498143 has 2 divisors, whose sum is σ = 87498144. Its totient is φ = 87498142.

The previous prime is 87498127. The next prime is 87498149. The reversal of 87498143 is 34189478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87498143 - 2⁴ = 87498127 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 87498094 and 87498103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87498149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43749071 + 43749072.

It is an arithmetic number, because the mean of its divisors is an integer number (43749072).

Almost surely, 2^87498143 is an apocalyptic number.

87498143 is a deficient number, since it is larger than the sum of its proper divisors (1).

87498143 is an equidigital number, since it uses as much as digits as its factorization.

87498143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 87498143 is about 9354.0442055830. The cubic root of 87498143 is about 443.9488602058.

The spelling of 87498143 in words is "eighty-seven million, four hundred ninety-eight thousand, one hundred forty-three".