6989903087 has 2 divisors, whose sum is σ = 6989903088. Its totient is φ = 6989903086.

The previous prime is 6989903057. The next prime is 6989903117. The reversal of 6989903087 is 7803099896.

It is a balanced prime because it is at equal distance from previous prime (6989903057) and next prime (6989903117).

It is a cyclic number.

It is not a de Polignac number, because 6989903087 - 2⁶ = 6989903023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6989903057) 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, 3494951543 + 3494951544.

It is an arithmetic number, because the mean of its divisors is an integer number (3494951544).

Almost surely, 2^6989903087 is an apocalyptic number.

6989903087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989903087 is an equidigital number, since it uses as much as digits as its factorization.

6989903087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 6989903087 is about 83605.6402822202. The cubic root of 6989903087 is about 1912.0109925920.

The spelling of 6989903087 in words is "six billion, nine hundred eighty-nine million, nine hundred three thousand, eighty-seven".