978569722325 has 12 divisors (see below), whose sum is σ = 1306766952708. Its totient is φ = 722636102400.

The previous prime is 978569722309. The next prime is 978569722363. The reversal of 978569722325 is 523227965879.

It can be written as a sum of positive squares in 6 ways, for example, as 53543183236 + 925026539089 = 231394^2 + 961783^2 .

It is not a de Polignac number, because 978569722325 - 2⁴ = 978569722309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1505491556 + ... + 1505492205.

It is an arithmetic number, because the mean of its divisors is an integer number (108897246059).

Almost surely, 2^978569722325 is an apocalyptic number.

It is an amenable number.

978569722325 is a deficient number, since it is larger than the sum of its proper divisors (328197230383).

978569722325 is a wasteful number, since it uses less digits than its factorization.

978569722325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010983784 (or 3010983779 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 65.

The spelling of 978569722325 in words is "nine hundred seventy-eight billion, five hundred sixty-nine million, seven hundred twenty-two thousand, three hundred twenty-five".