100391728790 has 16 divisors (see below), whose sum is σ = 181454929920. Its totient is φ = 39990065280.

The previous prime is 100391728771. The next prime is 100391728793. The reversal of 100391728790 is 97827193001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100391728793) 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, 20825750 + ... + 20830569.

It is an arithmetic number, because the mean of its divisors is an integer number (11340933120).

Almost surely, 2^100391728790 is an apocalyptic number.

100391728790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100391728790 is a deficient number, since it is larger than the sum of its proper divisors (81063201130).

100391728790 is a wasteful number, since it uses less digits than its factorization.

100391728790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41656567.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 100391728790 in words is "one hundred billion, three hundred ninety-one million, seven hundred twenty-eight thousand, seven hundred ninety".