1000010099887 has 2 divisors, whose sum is σ = 1000010099888. Its totient is φ = 1000010099886.

The previous prime is 1000010099873. The next prime is 1000010099927. The reversal of 1000010099887 is 7889900100001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000010099887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000010099987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005049943 + 500005049944.

It is an arithmetic number, because the mean of its divisors is an integer number (500005049944).

Almost surely, 2^{1000010099887} is an apocalyptic number.

1000010099887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000010099887 is an equidigital number, since it uses as much as digits as its factorization.

1000010099887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 43.

Adding to 1000010099887 its reverse (7889900100001), we get a palindrome (8889910199888).

The spelling of 1000010099887 in words is "one trillion, ten million, ninety-nine thousand, eight hundred eighty-seven".