978331411 has 2 divisors, whose sum is σ = 978331412. Its totient is φ = 978331410.

The previous prime is 978331397. The next prime is 978331439. The reversal of 978331411 is 114133879.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-978331411 is a prime.

It is not a weakly prime, because it can be changed into another prime (978331441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489165705 + 489165706.

It is an arithmetic number, because the mean of its divisors is an integer number (489165706).

Almost surely, 2^978331411 is an apocalyptic number.

978331411 is a deficient number, since it is larger than the sum of its proper divisors (1).

978331411 is an equidigital number, since it uses as much as digits as its factorization.

978331411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 978331411 is about 31278.2897710217. The cubic root of 978331411 is about 992.7243300062.

The spelling of 978331411 in words is "nine hundred seventy-eight million, three hundred thirty-one thousand, four hundred eleven".