100017859999 has 2 divisors, whose sum is σ = 100017860000. Its totient is φ = 100017859998.

The previous prime is 100017859979. The next prime is 100017860021. The reversal of 100017859999 is 999958710001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100017859999 - 2¹⁷ = 100017728927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100017859919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50008929999 + 50008930000.

It is an arithmetic number, because the mean of its divisors is an integer number (50008930000).

Almost surely, 2^100017859999 is an apocalyptic number.

100017859999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100017859999 is an equidigital number, since it uses as much as digits as its factorization.

100017859999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 58.

The spelling of 100017859999 in words is "one hundred billion, seventeen million, eight hundred fifty-nine thousand, nine hundred ninety-nine".