78884382 has 8 divisors (see below), whose sum is σ = 157768776. Its totient is φ = 26294792.

The previous prime is 78884353. The next prime is 78884387. The reversal of 78884382 is 28348887.

It is a sphenic number, since it is the product of 3 distinct primes.

78884382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6573693 + ... + 6573704.

It is an arithmetic number, because the mean of its divisors is an integer number (19721097).

Almost surely, 2^78884382 is an apocalyptic number.

78884382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78884382 is a wasteful number, since it uses less digits than its factorization.

78884382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147402.

The product of its digits is 688128, while the sum is 48.

The square root of 78884382 is about 8881.6880152367. The cubic root of 78884382 is about 428.8746162883.

The spelling of 78884382 in words is "seventy-eight million, eight hundred eighty-four thousand, three hundred eighty-two".