8487621996079 has 2 divisors, whose sum is σ = 8487621996080. Its totient is φ = 8487621996078.

The previous prime is 8487621996067. The next prime is 8487621996127. The reversal of 8487621996079 is 9706991267848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8487621996079 - 2²³ = 8487613607471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8487621995996 and 8487621996014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8487621996979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243810998039 + 4243810998040.

It is an arithmetic number, because the mean of its divisors is an integer number (4243810998040).

Almost surely, 2^{8487621996079} is an apocalyptic number.

8487621996079 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487621996079 is an equidigital number, since it uses as much as digits as its factorization.

8487621996079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 658409472, while the sum is 76.

The spelling of 8487621996079 in words is "eight trillion, four hundred eighty-seven billion, six hundred twenty-one million, nine hundred ninety-six thousand, seventy-nine".