10199999287 has 2 divisors, whose sum is σ = 10199999288. Its totient is φ = 10199999286.

The previous prime is 10199999281. The next prime is 10199999321. The reversal of 10199999287 is 78299999101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10199999287 - 2²⁷ = 10065781559 is a prime.

It is a super-3 number, since 3×10199999287³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10199999281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5099999643 + 5099999644.

It is an arithmetic number, because the mean of its divisors is an integer number (5099999644).

Almost surely, 2^10199999287 is an apocalyptic number.

10199999287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10199999287 is an equidigital number, since it uses as much as digits as its factorization.

10199999287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 64.

The spelling of 10199999287 in words is "ten billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, two hundred eighty-seven".