78584022 has 48 divisors (see below), whose sum is σ = 187164432. Its totient is φ = 23631360.

The previous prime is 78583987. The next prime is 78584027. The reversal of 78584022 is 22048587.

It is a happy number.

78584022 is a `hidden beast` number, since 78 + 584 + 0 + 2 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78584027) 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, 25678 + ... + 28574.

It is an arithmetic number, because the mean of its divisors is an integer number (3899259).

Almost surely, 2^78584022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78584022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93582216).

78584022 is an abundant number, since it is smaller than the sum of its proper divisors (108580410).

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

78584022 is a wasteful number, since it uses less digits than its factorization.

78584022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3050 counting only the distinct ones).

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

The square root of 78584022 is about 8864.7629409928. The cubic root of 78584022 is about 428.3295966137.

The spelling of 78584022 in words is "seventy-eight million, five hundred eighty-four thousand, twenty-two".