979835999140 has 96 divisors (see below), whose sum is σ = 2162508251904. Its totient is φ = 372216176640.

The previous prime is 979835999113. The next prime is 979835999159. The reversal of 979835999140 is 41999538979.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37346707 + ... + 37372933.

It is an arithmetic number, because the mean of its divisors is an integer number (22526127624).

Almost surely, 2^979835999140 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 979835999140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081254125952).

979835999140 is an abundant number, since it is smaller than the sum of its proper divisors (1182672252764).

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

979835999140 is a wasteful number, since it uses less digits than its factorization.

979835999140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26837 (or 26835 counting only the distinct ones).

The product of its (nonzero) digits is 198404640, while the sum is 73.

The spelling of 979835999140 in words is "nine hundred seventy-nine billion, eight hundred thirty-five million, nine hundred ninety-nine thousand, one hundred forty".