1008946578187 has 2 divisors, whose sum is σ = 1008946578188. Its totient is φ = 1008946578186.

The previous prime is 1008946578109. The next prime is 1008946578191. The reversal of 1008946578187 is 7818756498001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008946578187 is a prime.

It is a super-2 number, since 2×1008946578187² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1008946578587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504473289093 + 504473289094.

It is an arithmetic number, because the mean of its divisors is an integer number (504473289094).

Almost surely, 2^{1008946578187} is an apocalyptic number.

1008946578187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008946578187 is an equidigital number, since it uses as much as digits as its factorization.

1008946578187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 64.

The spelling of 1008946578187 in words is "one trillion, eight billion, nine hundred forty-six million, five hundred seventy-eight thousand, one hundred eighty-seven".