107790257 has 2 divisors, whose sum is σ = 107790258. Its totient is φ = 107790256.

The previous prime is 107790247. The next prime is 107790281. The reversal of 107790257 is 752097701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107661376 + 128881 = 10376^2 + 359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107790257 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107790257.

It is not a weakly prime, because it can be changed into another prime (107790247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53895128 + 53895129.

It is an arithmetic number, because the mean of its divisors is an integer number (53895129).

Almost surely, 2^107790257 is an apocalyptic number.

It is an amenable number.

107790257 is a deficient number, since it is larger than the sum of its proper divisors (1).

107790257 is an equidigital number, since it uses as much as digits as its factorization.

107790257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 107790257 is about 10382.2086763848. The cubic root of 107790257 is about 475.9118322330.

The spelling of 107790257 in words is "one hundred seven million, seven hundred ninety thousand, two hundred fifty-seven".