100000100087 has 2 divisors, whose sum is σ = 100000100088. Its totient is φ = 100000100086.

The previous prime is 100000100033. The next prime is 100000100113. The reversal of 100000100087 is 780001000001.

It is a strong prime.

It is an emirp because it is prime and its reverse (780001000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100000100087 - 2²⁸ = 99731664631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000150087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000050043 + 50000050044.

It is an arithmetic number, because the mean of its divisors is an integer number (50000050044).

Almost surely, 2^100000100087 is an apocalyptic number.

100000100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000100087 is an equidigital number, since it uses as much as digits as its factorization.

100000100087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 100000100087 its reverse (780001000001), we get a palindrome (880001100088).

The spelling of 100000100087 in words is "one hundred billion, one hundred thousand, eighty-seven".