87275143 has 2 divisors, whose sum is σ = 87275144. Its totient is φ = 87275142.

The previous prime is 87275141. The next prime is 87275191. The reversal of 87275143 is 34157278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87275143 - 2¹ = 87275141 is a prime.

Together with 87275141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87275141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43637571 + 43637572.

It is an arithmetic number, because the mean of its divisors is an integer number (43637572).

Almost surely, 2^87275143 is an apocalyptic number.

87275143 is a deficient number, since it is larger than the sum of its proper divisors (1).

87275143 is an equidigital number, since it uses as much as digits as its factorization.

87275143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 87275143 is about 9342.1166231213. The cubic root of 87275143 is about 443.5713862128.

The spelling of 87275143 in words is "eighty-seven million, two hundred seventy-five thousand, one hundred forty-three".