28100888 has 8 divisors (see below), whose sum is σ = 52689180. Its totient is φ = 14050440.

The previous prime is 28100879. The next prime is 28100893. The reversal of 28100888 is 88800182.

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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756298 + ... + 1756313.

Almost surely, 2^28100888 is an apocalyptic number.

It is an amenable number.

28100888 is a deficient number, since it is larger than the sum of its proper divisors (24588292).

28100888 is a wasteful number, since it uses less digits than its factorization.

28100888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512617 (or 3512613 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 35.

The square root of 28100888 is about 5301.0270702950. The cubic root of 28100888 is about 304.0231688251.

The spelling of 28100888 in words is "twenty-eight million, one hundred thousand, eight hundred eighty-eight".