988577 has 2 divisors, whose sum is σ = 988578. Its totient is φ = 988576.

The previous prime is 988571. The next prime is 988579. The reversal of 988577 is 775889.

988577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 185761 = 896^2 + 431^2 .

It is an emirp because it is prime and its reverse (775889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988577 - 2⁸ = 988321 is a prime.

Together with 988579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494288 + 494289.

It is an arithmetic number, because the mean of its divisors is an integer number (494289).

2⁹⁸⁸⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

988577 is a deficient number, since it is larger than the sum of its proper divisors (1).

988577 is an equidigital number, since it uses as much as digits as its factorization.

988577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 44.

The square root of 988577 is about 994.2720955553. The cubic root of 988577 is about 99.6177742293.

The spelling of 988577 in words is "nine hundred eighty-eight thousand, five hundred seventy-seven".