522547199987 has 2 divisors, whose sum is σ = 522547199988. Its totient is φ = 522547199986.

The previous prime is 522547199899. The next prime is 522547200011. The reversal of 522547199987 is 789991745225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522547199987 - 2¹⁶ = 522547134451 is a prime.

It is not a weakly prime, because it can be changed into another prime (522547199087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261273599993 + 261273599994.

It is an arithmetic number, because the mean of its divisors is an integer number (261273599994).

Almost surely, 2^522547199987 is an apocalyptic number.

522547199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

522547199987 is an equidigital number, since it uses as much as digits as its factorization.

522547199987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 68.

The spelling of 522547199987 in words is "five hundred twenty-two billion, five hundred forty-seven million, one hundred ninety-nine thousand, nine hundred eighty-seven".