979785353232 has 400 divisors, whose sum is σ = 3391139262720. Its totient is φ = 267028337664.

The previous prime is 979785353213. The next prime is 979785353237. The reversal of 979785353232 is 232353587979.

It is a happy number.

979785353232 is a `hidden beast` number, since 9 + 7 + 9 + 78 + 535 + 3 + 23 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 979785353232.

It is not an unprimeable number, because it can be changed into a prime (979785353237) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 77822394 + ... + 77834982.

Almost surely, 2^979785353232 is an apocalyptic number.

979785353232 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979785353232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695569631360).

979785353232 is an abundant number, since it is smaller than the sum of its proper divisors (2411353909488).

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

979785353232 is a wasteful number, since it uses less digits than its factorization.

979785353232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13012 (or 12997 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 979785353232 in words is "nine hundred seventy-nine billion, seven hundred eighty-five million, three hundred fifty-three thousand, two hundred thirty-two".