6117220957 has 2 divisors, whose sum is σ = 6117220958. Its totient is φ = 6117220956.

The previous prime is 6117220909. The next prime is 6117220961. The reversal of 6117220957 is 7590227116.

6117220957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6111174276 + 6046681 = 78174^2 + 2459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6117220957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6117220997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058610478 + 3058610479.

It is an arithmetic number, because the mean of its divisors is an integer number (3058610479).

Almost surely, 2^6117220957 is an apocalyptic number.

It is an amenable number.

6117220957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117220957 is an equidigital number, since it uses as much as digits as its factorization.

6117220957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 6117220957 is about 78212.6649398932. The cubic root of 6117220957 is about 1828.8779446443.

The spelling of 6117220957 in words is "six billion, one hundred seventeen million, two hundred twenty thousand, nine hundred fifty-seven".