987163000823 has 2 divisors, whose sum is σ = 987163000824. Its totient is φ = 987163000822.

The previous prime is 987163000819. The next prime is 987163000843. The reversal of 987163000823 is 328000361789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987163000823 - 2² = 987163000819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987163000843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493581500411 + 493581500412.

It is an arithmetic number, because the mean of its divisors is an integer number (493581500412).

Almost surely, 2^987163000823 is an apocalyptic number.

987163000823 is a deficient number, since it is larger than the sum of its proper divisors (1).

987163000823 is an equidigital number, since it uses as much as digits as its factorization.

987163000823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 987163000823 in words is "nine hundred eighty-seven billion, one hundred sixty-three million, eight hundred twenty-three", and thus it is an aban number.