988989803 has 2 divisors, whose sum is σ = 988989804. Its totient is φ = 988989802.

The previous prime is 988989797. The next prime is 988989901. The reversal of 988989803 is 308989889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 988989803 - 2¹⁸ = 988727659 is a prime.

It is not a weakly prime, because it can be changed into another prime (988989103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494494901 + 494494902.

It is an arithmetic number, because the mean of its divisors is an integer number (494494902).

Almost surely, 2^988989803 is an apocalyptic number.

988989803 is a deficient number, since it is larger than the sum of its proper divisors (1).

988989803 is an equidigital number, since it uses as much as digits as its factorization.

988989803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 62.

The square root of 988989803 is about 31448.2082637469. The cubic root of 988989803 is about 996.3163819525.

The spelling of 988989803 in words is "nine hundred eighty-eight million, nine hundred eighty-nine thousand, eight hundred three".