100688860 has 24 divisors (see below), whose sum is σ = 212088240. Its totient is φ = 40153344.

The previous prime is 100688839. The next prime is 100688881. The reversal of 100688860 is 68886001.

It is an interprime number because it is at equal distance from previous prime (100688839) and next prime (100688881).

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 in 7 ways as a sum of consecutive naturals, for example, 730 + ... + 14209.

It is an arithmetic number, because the mean of its divisors is an integer number (8837010).

Almost surely, 2^100688860 is an apocalyptic number.

100688860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100688860 is an abundant number, since it is smaller than the sum of its proper divisors (111399380).

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

100688860 is a wasteful number, since it uses less digits than its factorization.

100688860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285 (or 15283 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 100688860 is about 10034.3838874143. The cubic root of 100688860 is about 465.2222470186. Note that the first 4 decimals are identical.

The spelling of 100688860 in words is "one hundred million, six hundred eighty-eight thousand, eight hundred sixty".