100009998838 has 8 divisors (see below), whose sum is σ = 150025748760. Its totient is φ = 50001415920.

The previous prime is 100009998833. The next prime is 100009998839. The reversal of 100009998838 is 838899900001.

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

It is a super-2 number, since 2×100009998838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100009998833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756728 + ... + 1812763.

It is an arithmetic number, because the mean of its divisors is an integer number (18753218595).

Almost surely, 2^100009998838 is an apocalyptic number.

100009998838 is a deficient number, since it is larger than the sum of its proper divisors (50015749922).

100009998838 is a wasteful number, since it uses less digits than its factorization.

100009998838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583502.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 100009998838 in words is "one hundred billion, nine million, nine hundred ninety-eight thousand, eight hundred thirty-eight".