979128853125 has 24 divisors (see below), whose sum is σ = 1631776997088. Its totient is φ = 522202050000.

The previous prime is 979128853121. The next prime is 979128853189. The reversal of 979128853125 is 521358821979.

It is not a de Polignac number, because 979128853125 - 2² = 979128853121 is a prime.

It is a super-2 number, since 2×979128853125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979128853121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52210831 + ... + 52229580.

It is an arithmetic number, because the mean of its divisors is an integer number (67990708212).

Almost surely, 2^979128853125 is an apocalyptic number.

It is an amenable number.

979128853125 is a deficient number, since it is larger than the sum of its proper divisors (652648143963).

979128853125 is an equidigital number, since it uses as much as digits as its factorization.

979128853125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104440439 (or 104440419 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 60.

The spelling of 979128853125 in words is "nine hundred seventy-nine billion, one hundred twenty-eight million, eight hundred fifty-three thousand, one hundred twenty-five".