108690577 has 2 divisors, whose sum is σ = 108690578. Its totient is φ = 108690576.

The previous prime is 108690529. The next prime is 108690611. The reversal of 108690577 is 775096801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102090816 + 6599761 = 10104^2 + 2569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108690577 is a prime.

It is not a weakly prime, because it can be changed into another prime (108690677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54345288 + 54345289.

It is an arithmetic number, because the mean of its divisors is an integer number (54345289).

Almost surely, 2^108690577 is an apocalyptic number.

It is an amenable number.

108690577 is a deficient number, since it is larger than the sum of its proper divisors (1).

108690577 is an equidigital number, since it uses as much as digits as its factorization.

108690577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 108690577 is about 10425.4773032221. The cubic root of 108690577 is about 477.2331807948.

The spelling of 108690577 in words is "one hundred eight million, six hundred ninety thousand, five hundred seventy-seven".