100788728 has 8 divisors (see below), whose sum is σ = 188978880. Its totient is φ = 50394360.

The previous prime is 100788713. The next prime is 100788739. The reversal of 100788728 is 827887001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6299288 + ... + 6299303.

It is an arithmetic number, because the mean of its divisors is an integer number (23622360).

Almost surely, 2^100788728 is an apocalyptic number.

It is an amenable number.

100788728 is a deficient number, since it is larger than the sum of its proper divisors (88190152).

100788728 is a wasteful number, since it uses less digits than its factorization.

100788728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12598597 (or 12598593 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 100788728 is about 10039.3589436776. The cubic root of 100788728 is about 465.3760060446.

The spelling of 100788728 in words is "one hundred million, seven hundred eighty-eight thousand, seven hundred twenty-eight".