978062957 has 2 divisors, whose sum is σ = 978062958. Its totient is φ = 978062956.

The previous prime is 978062929. The next prime is 978062977. The reversal of 978062957 is 759260879.

978062957 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., 677352676 + 300710281 = 26026^2 + 17341^2 .

It is a cyclic number.

It is not a de Polignac number, because 978062957 - 2¹⁰ = 978061933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 978062899 and 978062908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (978062977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489031478 + 489031479.

It is an arithmetic number, because the mean of its divisors is an integer number (489031479).

Almost surely, 2^978062957 is an apocalyptic number.

It is an amenable number.

978062957 is a deficient number, since it is larger than the sum of its proper divisors (1).

978062957 is an equidigital number, since it uses as much as digits as its factorization.

978062957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 978062957 is about 31273.9980974611. The cubic root of 978062957 is about 992.6335205614.

The spelling of 978062957 in words is "nine hundred seventy-eight million, sixty-two thousand, nine hundred fifty-seven".