7662243047 has 2 divisors, whose sum is σ = 7662243048. Its totient is φ = 7662243046.

The previous prime is 7662242989. The next prime is 7662243049. The reversal of 7662243047 is 7403422667.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7662243047 - 2²⁸ = 7393807591 is a prime.

It is a super-2 number, since 2×7662243047² (a number of 21 digits) contains 22 as substring.

Together with 7662243049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7662242995 and 7662243013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7662243049) 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, 3831121523 + 3831121524.

It is an arithmetic number, because the mean of its divisors is an integer number (3831121524).

Almost surely, 2^7662243047 is an apocalyptic number.

7662243047 is a deficient number, since it is larger than the sum of its proper divisors (1).

7662243047 is an equidigital number, since it uses as much as digits as its factorization.

7662243047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 41.

The square root of 7662243047 is about 87534.2392838368. The cubic root of 7662243047 is about 1971.4479161945.

The spelling of 7662243047 in words is "seven billion, six hundred sixty-two million, two hundred forty-three thousand, forty-seven".