87833873 has 2 divisors, whose sum is σ = 87833874. Its totient is φ = 87833872.

The previous prime is 87833857. The next prime is 87833891. The reversal of 87833873 is 37833878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 7139584 = 8983^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 87833873 - 2⁴ = 87833857 is a prime.

It is not a weakly prime, because it can be changed into another prime (87833843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43916936 + 43916937.

It is an arithmetic number, because the mean of its divisors is an integer number (43916937).

Almost surely, 2^87833873 is an apocalyptic number.

It is an amenable number.

87833873 is a deficient number, since it is larger than the sum of its proper divisors (1).

87833873 is an equidigital number, since it uses as much as digits as its factorization.

87833873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 47.

The square root of 87833873 is about 9371.9727379032. The cubic root of 87833873 is about 444.5159454803.

The spelling of 87833873 in words is "eighty-seven million, eight hundred thirty-three thousand, eight hundred seventy-three".