100688983 has 2 divisors, whose sum is σ = 100688984. Its totient is φ = 100688982.

The previous prime is 100688971. The next prime is 100689013. The reversal of 100688983 is 389886001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100688983 - 2¹⁷ = 100557911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100688933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50344491 + 50344492.

It is an arithmetic number, because the mean of its divisors is an integer number (50344492).

Almost surely, 2^100688983 is an apocalyptic number.

100688983 is a deficient number, since it is larger than the sum of its proper divisors (1).

100688983 is an equidigital number, since it uses as much as digits as its factorization.

100688983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 100688983 is about 10034.3900163388. The cubic root of 100688983 is about 465.2224364546. Note that the first 3 decimals are identical.

The spelling of 100688983 in words is "one hundred million, six hundred eighty-eight thousand, nine hundred eighty-three".