7689282047 has 2 divisors, whose sum is σ = 7689282048. Its totient is φ = 7689282046.

The previous prime is 7689281993. The next prime is 7689282061. The reversal of 7689282047 is 7402829867.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7689282047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7689282047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7689284047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844641023 + 3844641024.

It is an arithmetic number, because the mean of its divisors is an integer number (3844641024).

Almost surely, 2^7689282047 is an apocalyptic number.

7689282047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7689282047 is an equidigital number, since it uses as much as digits as its factorization.

7689282047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 7689282047 is about 87688.5514021072. The cubic root of 7689282047 is about 1973.7641830878.

The spelling of 7689282047 in words is "seven billion, six hundred eighty-nine million, two hundred eighty-two thousand, forty-seven".