988586685953 has 2 divisors, whose sum is σ = 988586685954. Its totient is φ = 988586685952.

The previous prime is 988586685841. The next prime is 988586685991. The reversal of 988586685953 is 359586685889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 958229547664 + 30357138289 = 978892^2 + 174233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988586685953 is a prime.

It is not a weakly prime, because it can be changed into another prime (988586682953) 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, 494293342976 + 494293342977.

It is an arithmetic number, because the mean of its divisors is an integer number (494293342977).

Almost surely, 2^988586685953 is an apocalyptic number.

It is an amenable number.

988586685953 is a deficient number, since it is larger than the sum of its proper divisors (1).

988586685953 is an equidigital number, since it uses as much as digits as its factorization.

988586685953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976000, while the sum is 80.

The spelling of 988586685953 in words is "nine hundred eighty-eight billion, five hundred eighty-six million, six hundred eighty-five thousand, nine hundred fifty-three".