8000005997953 has 2 divisors, whose sum is σ = 8000005997954. Its totient is φ = 8000005997952.

The previous prime is 8000005997947. The next prime is 8000005998029. The reversal of 8000005997953 is 3597995000008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6004813022784 + 1995192975169 = 2450472^2 + 1412513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8000005997953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8000005997894 and 8000005997903.

It is not a weakly prime, because it can be changed into another prime (8000005997903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000002998976 + 4000002998977.

It is an arithmetic number, because the mean of its divisors is an integer number (4000002998977).

Almost surely, 2^{8000005997953} is an apocalyptic number.

It is an amenable number.

8000005997953 is a deficient number, since it is larger than the sum of its proper divisors (1).

8000005997953 is an equidigital number, since it uses as much as digits as its factorization.

8000005997953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 8000005997953 in words is "eight trillion, five million, nine hundred ninety-seven thousand, nine hundred fifty-three".