32979872380 has 144 divisors (see below), whose sum is σ = 87810579360. Its totient is φ = 10311501312.

The previous prime is 32979872377. The next prime is 32979872389. The reversal of 32979872380 is 8327897923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32979872389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1041826 + ... + 1073014.

It is an arithmetic number, because the mean of its divisors is an integer number (609795690).

Almost surely, 2^32979872380 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 32979872380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43905289680).

32979872380 is an abundant number, since it is smaller than the sum of its proper divisors (54830706980).

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

32979872380 is a wasteful number, since it uses less digits than its factorization.

32979872380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31308 (or 31299 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 32979872380 in words is "thirty-two billion, nine hundred seventy-nine million, eight hundred seventy-two thousand, three hundred eighty".