79423488 has 144 divisors (see below), whose sum is σ = 238492800. Its totient is φ = 25436160.

The previous prime is 79423459. The next prime is 79423501. The reversal of 79423488 is 88432497.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×79423488² = 12616180892172288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571323 + ... + 571461.

It is an arithmetic number, because the mean of its divisors is an integer number (1656200).

Almost surely, 2^79423488 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 79423488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119246400).

79423488 is an abundant number, since it is smaller than the sum of its proper divisors (159069312).

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

79423488 is a wasteful number, since it uses less digits than its factorization.

79423488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 175 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 79423488 is about 8911.9856373313. The cubic root of 79423488 is about 429.8493938045.

Subtracting 79423488 from its reverse (88432497), we obtain a palindrome (9009009).

The spelling of 79423488 in words is "seventy-nine million, four hundred twenty-three thousand, four hundred eighty-eight".