79389548 has 48 divisors (see below), whose sum is σ = 164614464. Its totient is φ = 32797440.

The previous prime is 79389539. The next prime is 79389593. The reversal of 79389548 is 84598397.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 79389548.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90086 + ... + 90962.

It is an arithmetic number, because the mean of its divisors is an integer number (3429468).

Almost surely, 2^79389548 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 79389548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82307232).

79389548 is an abundant number, since it is smaller than the sum of its proper divisors (85224916).

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

79389548 is a wasteful number, since it uses less digits than its factorization.

79389548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 79389548 is about 8910.0812566441. The cubic root of 79389548 is about 429.7881559708.

The spelling of 79389548 in words is "seventy-nine million, three hundred eighty-nine thousand, five hundred forty-eight".