7661676623 has 2 divisors, whose sum is σ = 7661676624. Its totient is φ = 7661676622.

The previous prime is 7661676563. The next prime is 7661676647. The reversal of 7661676623 is 3266761667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7661676623 - 2²⁰ = 7660628047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7660676623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3830838311 + 3830838312.

It is an arithmetic number, because the mean of its divisors is an integer number (3830838312).

Almost surely, 2^7661676623 is an apocalyptic number.

7661676623 is a deficient number, since it is larger than the sum of its proper divisors (1).

7661676623 is an equidigital number, since it uses as much as digits as its factorization.

7661676623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 50.

The square root of 7661676623 is about 87531.0037815173. The cubic root of 7661676623 is about 1971.3993358626.

The spelling of 7661676623 in words is "seven billion, six hundred sixty-one million, six hundred seventy-six thousand, six hundred twenty-three".