7865055047 has 2 divisors, whose sum is σ = 7865055048. Its totient is φ = 7865055046.

The previous prime is 7865055001. The next prime is 7865055071. The reversal of 7865055047 is 7405505687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7865055047 - 2²⁶ = 7797946183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7865054992 and 7865055010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7865055347) 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, 3932527523 + 3932527524.

It is an arithmetic number, because the mean of its divisors is an integer number (3932527524).

Almost surely, 2^7865055047 is an apocalyptic number.

7865055047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7865055047 is an equidigital number, since it uses as much as digits as its factorization.

7865055047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The square root of 7865055047 is about 88685.1455825608. The cubic root of 7865055047 is about 1988.6907583129.

The spelling of 7865055047 in words is "seven billion, eight hundred sixty-five million, fifty-five thousand, forty-seven".