4778766071 has 2 divisors, whose sum is σ = 4778766072. Its totient is φ = 4778766070.

The previous prime is 4778766059. The next prime is 4778766121. The reversal of 4778766071 is 1706678774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4778766071 - 2²⁶ = 4711657207 is a prime.

It is a super-2 number, since 2×4778766071² = 45673210322681554082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778766001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389383035 + 2389383036.

It is an arithmetic number, because the mean of its divisors is an integer number (2389383036).

Almost surely, 2^4778766071 is an apocalyptic number.

4778766071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778766071 is an equidigital number, since it uses as much as digits as its factorization.

4778766071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 4778766071 is about 69128.6197677923. The cubic root of 4778766071 is about 1684.3742384889.

The spelling of 4778766071 in words is "four billion, seven hundred seventy-eight million, seven hundred sixty-six thousand, seventy-one".