100728428794 has 16 divisors (see below), whose sum is σ = 173112271488. Its totient is φ = 43060585392.

The previous prime is 100728428783. The next prime is 100728428797. The reversal of 100728428794 is 497824827001.

It is not an unprimeable number, because it can be changed into a prime (100728428797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056014 + ... + 9067129.

It is an arithmetic number, because the mean of its divisors is an integer number (10819516968).

Almost surely, 2^100728428794 is an apocalyptic number.

100728428794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100728428794 is a deficient number, since it is larger than the sum of its proper divisors (72383842694).

100728428794 is a wasteful number, since it uses less digits than its factorization.

100728428794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18123549.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 100728428794 in words is "one hundred billion, seven hundred twenty-eight million, four hundred twenty-eight thousand, seven hundred ninety-four".