109027657 has 2 divisors, whose sum is σ = 109027658. Its totient is φ = 109027656.

The previous prime is 109027637. The next prime is 109027669. The reversal of 109027657 is 756720901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 47389456 = 7851^2 + 6884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109027657 is a prime.

It is not a weakly prime, because it can be changed into another prime (109027627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54513828 + 54513829.

It is an arithmetic number, because the mean of its divisors is an integer number (54513829).

Almost surely, 2^109027657 is an apocalyptic number.

It is an amenable number.

109027657 is a deficient number, since it is larger than the sum of its proper divisors (1).

109027657 is an equidigital number, since it uses as much as digits as its factorization.

109027657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 109027657 is about 10441.6309549802. The cubic root of 109027657 is about 477.7260163723.

The spelling of 109027657 in words is "one hundred nine million, twenty-seven thousand, six hundred fifty-seven".