100856685 has 8 divisors (see below), whose sum is σ = 161370720. Its totient is φ = 53790224.

The previous prime is 100856683. The next prime is 100856737. The reversal of 100856685 is 586658001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100856685 - 2¹ = 100856683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100856683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3361875 + ... + 3361904.

It is an arithmetic number, because the mean of its divisors is an integer number (20171340).

Almost surely, 2^100856685 is an apocalyptic number.

100856685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100856685 is a deficient number, since it is larger than the sum of its proper divisors (60514035).

100856685 is an equidigital number, since it uses as much as digits as its factorization.

100856685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723787.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 100856685 is about 10042.7429022155. The cubic root of 100856685 is about 465.4805761113.

The spelling of 100856685 in words is "one hundred million, eight hundred fifty-six thousand, six hundred eighty-five".