84769812 has 72 divisors (see below), whose sum is σ = 229721856. Its totient is φ = 26288064.

The previous prime is 84769781. The next prime is 84769819. The reversal of 84769812 is 21896748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84769819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29253 + ... + 32019.

Almost surely, 2^84769812 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 84769812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114860928).

84769812 is an abundant number, since it is smaller than the sum of its proper divisors (144952044).

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

84769812 is a wasteful number, since it uses less digits than its factorization.

84769812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2832 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 84769812 is about 9207.0522970167. The cubic root of 84769812 is about 439.2857074417.

The spelling of 84769812 in words is "eighty-four million, seven hundred sixty-nine thousand, eight hundred twelve".