6880204787 has 2 divisors, whose sum is σ = 6880204788. Its totient is φ = 6880204786.

The previous prime is 6880204781. The next prime is 6880204811. The reversal of 6880204787 is 7874020886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6880204787 - 2⁸ = 6880204531 is a prime.

It is a super-2 number, since 2×6880204787² = 94674435822115430738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6880204781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440102393 + 3440102394.

It is an arithmetic number, because the mean of its divisors is an integer number (3440102394).

Almost surely, 2^6880204787 is an apocalyptic number.

6880204787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880204787 is an equidigital number, since it uses as much as digits as its factorization.

6880204787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 6880204787 is about 82946.9998673852. Note that the first 3 decimals coincide. The cubic root of 6880204787 is about 1901.9559531603.

The spelling of 6880204787 in words is "six billion, eight hundred eighty million, two hundred four thousand, seven hundred eighty-seven".