988422511 has 2 divisors, whose sum is σ = 988422512. Its totient is φ = 988422510.

The previous prime is 988422469. The next prime is 988422521. The reversal of 988422511 is 115224889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988422511 - 2⁹ = 988421999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988422521) 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, 494211255 + 494211256.

It is an arithmetic number, because the mean of its divisors is an integer number (494211256).

Almost surely, 2^988422511 is an apocalyptic number.

988422511 is a deficient number, since it is larger than the sum of its proper divisors (1).

988422511 is an equidigital number, since it uses as much as digits as its factorization.

988422511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 40.

The square root of 988422511 is about 31439.1875054048. The cubic root of 988422511 is about 996.1258473235.

The spelling of 988422511 in words is "nine hundred eighty-eight million, four hundred twenty-two thousand, five hundred eleven".