100100009987 has 8 divisors (see below), whose sum is σ = 102524502960. Its totient is φ = 97679907360.

The previous prime is 100100009983. The next prime is 100100009993. The reversal of 100100009987 is 789900001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100100009987 - 2² = 100100009983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100009983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051412 + ... + 1142657.

It is an arithmetic number, because the mean of its divisors is an integer number (12815562870).

Almost surely, 2^100100009987 is an apocalyptic number.

100100009987 is a deficient number, since it is larger than the sum of its proper divisors (2424492973).

100100009987 is a wasteful number, since it uses less digits than its factorization.

100100009987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195173.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 100100009987 in words is "one hundred billion, one hundred million, nine thousand, nine hundred eighty-seven".