978859153 has 2 divisors, whose sum is σ = 978859154. Its totient is φ = 978859152.

The previous prime is 978859121. The next prime is 978859163. The reversal of 978859153 is 351958879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 8661249 = 31148^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 978859153 - 2⁵ = 978859121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 978859094 and 978859103.

It is not a weakly prime, because it can be changed into another prime (978859163) 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, 489429576 + 489429577.

It is an arithmetic number, because the mean of its divisors is an integer number (489429577).

Almost surely, 2^978859153 is an apocalyptic number.

It is an amenable number.

978859153 is a deficient number, since it is larger than the sum of its proper divisors (1).

978859153 is an equidigital number, since it uses as much as digits as its factorization.

978859153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 55.

The square root of 978859153 is about 31286.7248685445. The cubic root of 978859153 is about 992.9027999135.

The spelling of 978859153 in words is "nine hundred seventy-eight million, eight hundred fifty-nine thousand, one hundred fifty-three".