6670040077 has 2 divisors, whose sum is σ = 6670040078. Its totient is φ = 6670040076.

The previous prime is 6670040057. The next prime is 6670040081. The reversal of 6670040077 is 7700400766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6618473316 + 51566761 = 81354^2 + 7181^2 .

It is a cyclic number.

It is not a de Polignac number, because 6670040077 - 2¹¹ = 6670038029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6670040017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335020038 + 3335020039.

It is an arithmetic number, because the mean of its divisors is an integer number (3335020039).

Almost surely, 2^6670040077 is an apocalyptic number.

It is an amenable number.

6670040077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670040077 is an equidigital number, since it uses as much as digits as its factorization.

6670040077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 6670040077 is about 81670.3133151820. The cubic root of 6670040077 is about 1882.3894542990.

The spelling of 6670040077 in words is "six billion, six hundred seventy million, forty thousand, seventy-seven".