988766543 has 2 divisors, whose sum is σ = 988766544. Its totient is φ = 988766542.

The previous prime is 988766509. The next prime is 988766557. The reversal of 988766543 is 345667889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988766543 - 2⁸ = 988766287 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988766143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494383271 + 494383272.

It is an arithmetic number, because the mean of its divisors is an integer number (494383272).

Almost surely, 2^988766543 is an apocalyptic number.

988766543 is a deficient number, since it is larger than the sum of its proper divisors (1).

988766543 is an equidigital number, since it uses as much as digits as its factorization.

988766543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The square root of 988766543 is about 31444.6584176073. The cubic root of 988766543 is about 996.2414049962.

The spelling of 988766543 in words is "nine hundred eighty-eight million, seven hundred sixty-six thousand, five hundred forty-three".