978823286237 has 2 divisors, whose sum is σ = 978823286238. Its totient is φ = 978823286236.

The previous prime is 978823286213. The next prime is 978823286263. The reversal of 978823286237 is 732682328879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976709217796 + 2114068441 = 988286^2 + 45979^2 .

It is a cyclic number.

It is not a de Polignac number, because 978823286237 - 2¹² = 978823282141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (978823286297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489411643118 + 489411643119.

It is an arithmetic number, because the mean of its divisors is an integer number (489411643119).

Almost surely, 2^978823286237 is an apocalyptic number.

It is an amenable number.

978823286237 is a deficient number, since it is larger than the sum of its proper divisors (1).

978823286237 is an equidigital number, since it uses as much as digits as its factorization.

978823286237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 65.

The spelling of 978823286237 in words is "nine hundred seventy-eight billion, eight hundred twenty-three million, two hundred eighty-six thousand, two hundred thirty-seven".