84520782 has 24 divisors (see below), whose sum is σ = 183302496. Its totient is φ = 28146816.

The previous prime is 84520769. The next prime is 84520783. The reversal of 84520782 is 28702548.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84520783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29163 + ... + 31929.

It is an arithmetic number, because the mean of its divisors is an integer number (7637604).

Almost surely, 2^84520782 is an apocalyptic number.

84520782 is an abundant number, since it is smaller than the sum of its proper divisors (98781714).

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

84520782 is a wasteful number, since it uses less digits than its factorization.

84520782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472 (or 4469 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 84520782 is about 9193.5184777103. The cubic root of 84520782 is about 438.8551193326.

The spelling of 84520782 in words is "eighty-four million, five hundred twenty thousand, seven hundred eighty-two".