979825257300 has 144 divisors (see below), whose sum is σ = 2896464614400. Its totient is φ = 255622765440.

The previous prime is 979825257283. The next prime is 979825257311. The reversal of 979825257300 is 3752528979.

It is a happy number.

It is a super-2 number, since 2×979825257300² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 38043027 + ... + 38068773.

It is an arithmetic number, because the mean of its divisors is an integer number (20114337600).

Almost surely, 2^979825257300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979825257300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448232307200).

979825257300 is an abundant number, since it is smaller than the sum of its proper divisors (1916639357100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979825257300 is a wasteful number, since it uses less digits than its factorization.

979825257300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28510 (or 28503 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 979825257300 in words is "nine hundred seventy-nine billion, eight hundred twenty-five million, two hundred fifty-seven thousand, three hundred".