87051490910933 has 2 divisors, whose sum is σ = 87051490910934. Its totient is φ = 87051490910932.

The previous prime is 87051490910887. The next prime is 87051490911017. The reversal of 87051490910933 is 33901909415078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82761194793124 + 4290296117809 = 9097318^2 + 2071303^2 .

It is a cyclic number.

It is not a de Polignac number, because 87051490910933 - 2²⁴ = 87051474133717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87051490910233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43525745455466 + 43525745455467.

It is an arithmetic number, because the mean of its divisors is an integer number (43525745455467).

Almost surely, 2^{87051490910933} is an apocalyptic number.

It is an amenable number.

87051490910933 is a deficient number, since it is larger than the sum of its proper divisors (1).

87051490910933 is an equidigital number, since it uses as much as digits as its factorization.

87051490910933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 87051490910933 in words is "eighty-seven trillion, fifty-one billion, four hundred ninety million, nine hundred ten thousand, nine hundred thirty-three".