100886728 has 8 divisors (see below), whose sum is σ = 189162630. Its totient is φ = 50443360.

The previous prime is 100886711. The next prime is 100886759. The reversal of 100886728 is 827688001.

It can be written as a sum of positive squares in only one way, i.e., 97653924 + 3232804 = 9882^2 + 1798^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305413 + ... + 6305428.

Almost surely, 2^100886728 is an apocalyptic number.

It is an amenable number.

100886728 is a deficient number, since it is larger than the sum of its proper divisors (88275902).

100886728 is a wasteful number, since it uses less digits than its factorization.

100886728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610847 (or 12610843 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 100886728 is about 10044.2385475456. The cubic root of 100886728 is about 465.5267903496.

The spelling of 100886728 in words is "one hundred million, eight hundred eighty-six thousand, seven hundred twenty-eight".