87536833 has 2 divisors, whose sum is σ = 87536834. Its totient is φ = 87536832.

The previous prime is 87536831. The next prime is 87536851. The reversal of 87536833 is 33863578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85155984 + 2380849 = 9228^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 87536833 - 2¹ = 87536831 is a prime.

Together with 87536831, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 87536833.

It is not a weakly prime, because it can be changed into another prime (87536831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43768416 + 43768417.

It is an arithmetic number, because the mean of its divisors is an integer number (43768417).

Almost surely, 2^87536833 is an apocalyptic number.

It is an amenable number.

87536833 is a deficient number, since it is larger than the sum of its proper divisors (1).

87536833 is an equidigital number, since it uses as much as digits as its factorization.

87536833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 87536833 is about 9356.1120664515. The cubic root of 87536833 is about 444.0142857861.

The spelling of 87536833 in words is "eighty-seven million, five hundred thirty-six thousand, eight hundred thirty-three".