18800096947 has 2 divisors, whose sum is σ = 18800096948. Its totient is φ = 18800096946.

The previous prime is 18800096933. The next prime is 18800096981. The reversal of 18800096947 is 74969000881.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18800096947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18800096894 and 18800096903.

It is not a weakly prime, because it can be changed into another prime (18800096047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9400048473 + 9400048474.

It is an arithmetic number, because the mean of its divisors is an integer number (9400048474).

Almost surely, 2^18800096947 is an apocalyptic number.

18800096947 is a deficient number, since it is larger than the sum of its proper divisors (1).

18800096947 is an equidigital number, since it uses as much as digits as its factorization.

18800096947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 18800096947 in words is "eighteen billion, eight hundred million, ninety-six thousand, nine hundred forty-seven".