28100861416908 has 54 divisors (see below), whose sum is σ = 82629913933476. Its totient is φ = 8028817547184.

The previous prime is 28100861416891. The next prime is 28100861416933. The reversal of 28100861416908 is 80961416800182.

It is a happy number.

28100861416908 is a `hidden beast` number, since 2 + 8 + 1 + 0 + 0 + 8 + 614 + 16 + 9 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7965095010 + ... + 7965098537.

Almost surely, 2^{28100861416908} is an apocalyptic number.

28100861416908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28100861416908 is an abundant number, since it is smaller than the sum of its proper divisors (54529052516568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28100861416908 is a wasteful number, since it uses less digits than its factorization.

28100861416908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15930193571 (or 15930193559 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 28100861416908 in words is "twenty-eight trillion, one hundred billion, eight hundred sixty-one million, four hundred sixteen thousand, nine hundred eight".