7776000047 has 2 divisors, whose sum is σ = 7776000048. Its totient is φ = 7776000046.

The previous prime is 7776000007. The next prime is 7776000061. The reversal of 7776000047 is 7400006777.

It is a strong prime.

It is an emirp because it is prime and its reverse (7400006777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7776000047 - 2¹⁶ = 7775934511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7776000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3888000023 + 3888000024.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000024).

Almost surely, 2^7776000047 is an apocalyptic number.

7776000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7776000047 is an equidigital number, since it uses as much as digits as its factorization.

7776000047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 7776000047 is about 88181.6310066898. The cubic root of 7776000047 is about 1981.1563533283.

The spelling of 7776000047 in words is "seven billion, seven hundred seventy-six million, forty-seven", and thus it is an aban number.