8888973491 has 2 divisors, whose sum is σ = 8888973492. Its totient is φ = 8888973490.

The previous prime is 8888973479. The next prime is 8888973503. The reversal of 8888973491 is 1943798888.

8888973491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (8888973479) and next prime (8888973503).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8888973491 is a prime.

It is not a weakly prime, because it can be changed into another prime (8888973421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444486745 + 4444486746.

It is an arithmetic number, because the mean of its divisors is an integer number (4444486746).

Almost surely, 2^8888973491 is an apocalyptic number.

8888973491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8888973491 is an equidigital number, since it uses as much as digits as its factorization.

8888973491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 65.

The square root of 8888973491 is about 94281.3528275873. The cubic root of 8888973491 is about 2071.4949092425.

The spelling of 8888973491 in words is "eight billion, eight hundred eighty-eight million, nine hundred seventy-three thousand, four hundred ninety-one".