7115274847 has 2 divisors, whose sum is σ = 7115274848. Its totient is φ = 7115274846.

The previous prime is 7115274833. The next prime is 7115274863. The reversal of 7115274847 is 7484725117.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7115274847 is a prime.

It is a super-2 number, since 2×7115274847² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7115274797 and 7115274806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7115275847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557637423 + 3557637424.

It is an arithmetic number, because the mean of its divisors is an integer number (3557637424).

Almost surely, 2^7115274847 is an apocalyptic number.

7115274847 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115274847 is an equidigital number, since it uses as much as digits as its factorization.

7115274847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 439040, while the sum is 46.

The square root of 7115274847 is about 84352.0885752096. The cubic root of 7115274847 is about 1923.3746754905.

The spelling of 7115274847 in words is "seven billion, one hundred fifteen million, two hundred seventy-four thousand, eight hundred forty-seven".