6295778761 has 2 divisors, whose sum is σ = 6295778762. Its totient is φ = 6295778760.

The previous prime is 6295778719. The next prime is 6295778767. The reversal of 6295778761 is 1678775926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3175886025 + 3119892736 = 56355^2 + 55856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6295778761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6295778696 and 6295778705.

It is not a weakly prime, because it can be changed into another prime (6295778767) 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, 3147889380 + 3147889381.

It is an arithmetic number, because the mean of its divisors is an integer number (3147889381).

Almost surely, 2^6295778761 is an apocalyptic number.

It is an amenable number.

6295778761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6295778761 is an equidigital number, since it uses as much as digits as its factorization.

6295778761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 58.

The square root of 6295778761 is about 79345.9435699141. The cubic root of 6295778761 is about 1846.5021573003.

The spelling of 6295778761 in words is "six billion, two hundred ninety-five million, seven hundred seventy-eight thousand, seven hundred sixty-one".