79389360 has 120 divisors (see below), whose sum is σ = 270545184. Its totient is φ = 20858880.

The previous prime is 79389319. The next prime is 79389361. The reversal of 79389360 is 6398397.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (79389361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50344 + ... + 51896.

Almost surely, 2^79389360 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 79389360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135272592).

79389360 is an abundant number, since it is smaller than the sum of its proper divisors (191155824).

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

79389360 is a wasteful number, since it uses less digits than its factorization.

79389360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 79389360 is about 8910.0707067902. The cubic root of 79389360 is about 429.7878167144.

The spelling of 79389360 in words is "seventy-nine million, three hundred eighty-nine thousand, three hundred sixty".