6770670857 has 2 divisors, whose sum is σ = 6770670858. Its totient is φ = 6770670856.

The previous prime is 6770670853. The next prime is 6770670859. The reversal of 6770670857 is 7580760776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5065311241 + 1705359616 = 71171^2 + 41296^2 .

It is a cyclic number.

It is not a de Polignac number, because 6770670857 - 2² = 6770670853 is a prime.

It is a super-2 number, since 2×6770670857² = 91683967707658228898, which contains 22 as substring.

Together with 6770670859, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6770670799 and 6770670808.

It is not a weakly prime, because it can be changed into another prime (6770670853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385335428 + 3385335429.

It is an arithmetic number, because the mean of its divisors is an integer number (3385335429).

Almost surely, 2^6770670857 is an apocalyptic number.

It is an amenable number.

6770670857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6770670857 is an equidigital number, since it uses as much as digits as its factorization.

6770670857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The square root of 6770670857 is about 82284.0862925511. The cubic root of 6770670857 is about 1891.8087680331.

The spelling of 6770670857 in words is "six billion, seven hundred seventy million, six hundred seventy thousand, eight hundred fifty-seven".