7770000071 has 2 divisors, whose sum is σ = 7770000072. Its totient is φ = 7770000070.

The previous prime is 7770000067. The next prime is 7770000113. The reversal of 7770000071 is 1700000777.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7770000071 - 2² = 7770000067 is a prime.

It is a super-2 number, since 2×7770000071² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7769999989 and 7770000043.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7770000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3885000035 + 3885000036.

It is an arithmetic number, because the mean of its divisors is an integer number (3885000036).

Almost surely, 2^7770000071 is an apocalyptic number.

7770000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7770000071 is an equidigital number, since it uses as much as digits as its factorization.

7770000071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2401, while the sum is 29.

The square root of 7770000071 is about 88147.6038868896. The cubic root of 7770000071 is about 1980.6466675804.

The spelling of 7770000071 in words is "seven billion, seven hundred seventy million, seventy-one", and thus it is an aban number.