79148518 has 8 divisors (see below), whose sum is σ = 122552640. Its totient is φ = 38297640.

The previous prime is 79148479. The next prime is 79148519. The reversal of 79148518 is 81584197.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79148519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638233 + ... + 638356.

It is an arithmetic number, because the mean of its divisors is an integer number (15319080).

Almost surely, 2^79148518 is an apocalyptic number.

79148518 is a deficient number, since it is larger than the sum of its proper divisors (43404122).

79148518 is a wasteful number, since it uses less digits than its factorization.

79148518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276622.

The product of its digits is 80640, while the sum is 43.

The square root of 79148518 is about 8896.5452845473. The cubic root of 79148518 is about 429.3527634227.

The spelling of 79148518 in words is "seventy-nine million, one hundred forty-eight thousand, five hundred eighteen".