988367851 has 2 divisors, whose sum is σ = 988367852. Its totient is φ = 988367850.

The previous prime is 988367843. The next prime is 988367867. The reversal of 988367851 is 158763889.

It is a weak prime.

It is an emirp because it is prime and its reverse (158763889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988367851 - 2³ = 988367843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988367792 and 988367801.

It is not a weakly prime, because it can be changed into another prime (988367551) 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, 494183925 + 494183926.

It is an arithmetic number, because the mean of its divisors is an integer number (494183926).

Almost surely, 2^988367851 is an apocalyptic number.

988367851 is a deficient number, since it is larger than the sum of its proper divisors (1).

988367851 is an equidigital number, since it uses as much as digits as its factorization.

988367851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 55.

The square root of 988367851 is about 31438.3181961122. The cubic root of 988367851 is about 996.1074849862.

The spelling of 988367851 in words is "nine hundred eighty-eight million, three hundred sixty-seven thousand, eight hundred fifty-one".