100449827987 has 16 divisors (see below), whose sum is σ = 107298989280. Its totient is φ = 93707378688.

The previous prime is 100449827983. The next prime is 100449828013. The reversal of 100449827987 is 789728944001.

It is a cyclic number.

It is not a de Polignac number, because 100449827987 - 2² = 100449827983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100449827981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423523 + ... + 1492419.

It is an arithmetic number, because the mean of its divisors is an integer number (6706186830).

Almost surely, 2^100449827987 is an apocalyptic number.

100449827987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

100449827987 is a deficient number, since it is larger than the sum of its proper divisors (6849161293).

100449827987 is a wasteful number, since it uses less digits than its factorization.

100449827987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69670.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 100449827987 in words is "one hundred billion, four hundred forty-nine million, eight hundred twenty-seven thousand, nine hundred eighty-seven".