108990577 has 2 divisors, whose sum is σ = 108990578. Its totient is φ = 108990576.

The previous prime is 108990571. The next prime is 108990599. The reversal of 108990577 is 775099801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 2405601 = 10324^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 108990577 - 2³ = 108990569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108990571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54495288 + 54495289.

It is an arithmetic number, because the mean of its divisors is an integer number (54495289).

Almost surely, 2^108990577 is an apocalyptic number.

It is an amenable number.

108990577 is a deficient number, since it is larger than the sum of its proper divisors (1).

108990577 is an equidigital number, since it uses as much as digits as its factorization.

108990577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 108990577 is about 10439.8552193026. The cubic root of 108990577 is about 477.6718524726.

The spelling of 108990577 in words is "one hundred eight million, nine hundred ninety thousand, five hundred seventy-seven".