978860759 has 2 divisors, whose sum is σ = 978860760. Its totient is φ = 978860758.

The previous prime is 978860711. The next prime is 978860761. The reversal of 978860759 is 957068879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 978860759 - 2²⁰ = 977812183 is a prime.

Together with 978860761, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 978860698 and 978860707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (978860959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489430379 + 489430380.

It is an arithmetic number, because the mean of its divisors is an integer number (489430380).

Almost surely, 2^978860759 is an apocalyptic number.

978860759 is a deficient number, since it is larger than the sum of its proper divisors (1).

978860759 is an equidigital number, since it uses as much as digits as its factorization.

978860759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 978860759 is about 31286.7505343716. The cubic root of 978860759 is about 992.9033429269.

The spelling of 978860759 in words is "nine hundred seventy-eight million, eight hundred sixty thousand, seven hundred fifty-nine".