79138248 has 32 divisors (see below), whose sum is σ = 226109760. Its totient is φ = 22610880.

The previous prime is 79138237. The next prime is 79138261. The reversal of 79138248 is 84283197.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235363 + ... + 235698.

It is an arithmetic number, because the mean of its divisors is an integer number (7065930).

Almost surely, 2^79138248 is an apocalyptic number.

It is an amenable number.

79138248 is an abundant number, since it is smaller than the sum of its proper divisors (146971512).

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

79138248 is a wasteful number, since it uses less digits than its factorization.

79138248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471077 (or 471073 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 79138248 is about 8895.9680754823. The cubic root of 79138248 is about 429.3341922448.

It can be divided in two parts, 7913 and 8248, that added together give a palindrome (16161).

The spelling of 79138248 in words is "seventy-nine million, one hundred thirty-eight thousand, two hundred forty-eight".