78823332 has 72 divisors (see below), whose sum is σ = 229197696. Its totient is φ = 22374144.

The previous prime is 78823321. The next prime is 78823333. The reversal of 78823332 is 23332887.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (78823333) 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, 41148 + ... + 43020.

Almost surely, 2^78823332 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 78823332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114598848).

78823332 is an abundant number, since it is smaller than the sum of its proper divisors (150374364).

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

78823332 is a wasteful number, since it uses less digits than its factorization.

78823332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2052 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 78823332 is about 8878.2505033368. The cubic root of 78823332 is about 428.7639498843.

The spelling of 78823332 in words is "seventy-eight million, eight hundred twenty-three thousand, three hundred thirty-two".