6977772107 has 2 divisors, whose sum is σ = 6977772108. Its totient is φ = 6977772106.

The previous prime is 6977772089. The next prime is 6977772143. The reversal of 6977772107 is 7012777796.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6977772107 - 2⁸ = 6977771851 is a prime.

It is not a weakly prime, because it can be changed into another prime (6977772707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488886053 + 3488886054.

It is an arithmetic number, because the mean of its divisors is an integer number (3488886054).

Almost surely, 2^6977772107 is an apocalyptic number.

6977772107 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977772107 is an equidigital number, since it uses as much as digits as its factorization.

6977772107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1815156, while the sum is 53.

The square root of 6977772107 is about 83533.0599643040. The cubic root of 6977772107 is about 1910.9042534458.

The spelling of 6977772107 in words is "six billion, nine hundred seventy-seven million, seven hundred seventy-two thousand, one hundred seven".