101688087 has 8 divisors (see below), whose sum is σ = 135630720. Its totient is φ = 67768760.

The previous prime is 101688073. The next prime is 101688109. The reversal of 101688087 is 780886101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101688087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101688017) 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, 13912 + ... + 19922.

It is an arithmetic number, because the mean of its divisors is an integer number (16953840).

Almost surely, 2^101688087 is an apocalyptic number.

101688087 is a deficient number, since it is larger than the sum of its proper divisors (33942633).

101688087 is an equidigital number, since it uses as much as digits as its factorization.

101688087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11653.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 101688087 is about 10084.0511204575. The cubic root of 101688087 is about 466.7561250836.

The spelling of 101688087 in words is "one hundred one million, six hundred eighty-eight thousand, eighty-seven".