6878808577 has 2 divisors, whose sum is σ = 6878808578. Its totient is φ = 6878808576.

The previous prime is 6878808539. The next prime is 6878808637. The reversal of 6878808577 is 7758088786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4057180416 + 2821628161 = 63696^2 + 53119^2 .

It is a cyclic number.

It is not a de Polignac number, because 6878808577 - 2⁷ = 6878808449 is a prime.

It is not a weakly prime, because it can be changed into another prime (6878848577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439404288 + 3439404289.

It is an arithmetic number, because the mean of its divisors is an integer number (3439404289).

Almost surely, 2^6878808577 is an apocalyptic number.

It is an amenable number.

6878808577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878808577 is an equidigital number, since it uses as much as digits as its factorization.

6878808577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42147840, while the sum is 64.

The square root of 6878808577 is about 82938.5831624823. The cubic root of 6878808577 is about 1901.8272888907.

The spelling of 6878808577 in words is "six billion, eight hundred seventy-eight million, eight hundred eight thousand, five hundred seventy-seven".