84780332 has 48 divisors (see below), whose sum is σ = 184726080. Its totient is φ = 33149952.

The previous prime is 84780331. The next prime is 84780349. The reversal of 84780332 is 23308748.

It is a junction number, because it is equal to n+sod(n) for n = 84780292 and 84780301.

It is not an unprimeable number, because it can be changed into a prime (84780331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31088 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (3848460).

Almost surely, 2^84780332 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 84780332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92363040).

84780332 is an abundant number, since it is smaller than the sum of its proper divisors (99945748).

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

84780332 is a wasteful number, since it uses less digits than its factorization.

84780332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 84780332 is about 9207.6235804902. The cubic root of 84780332 is about 439.3038785901.

The spelling of 84780332 in words is "eighty-four million, seven hundred eighty thousand, three hundred thirty-two".