79139548 has 12 divisors (see below), whose sum is σ = 138941712. Its totient is φ = 39441920.

The previous prime is 79139507. The next prime is 79139551. The reversal of 79139548 is 84593197.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79139498 and 79139507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30565 + ... + 33052.

It is an arithmetic number, because the mean of its divisors is an integer number (11578476).

Almost surely, 2^79139548 is an apocalyptic number.

It is an amenable number.

79139548 is a deficient number, since it is larger than the sum of its proper divisors (59802164).

79139548 is a wasteful number, since it uses less digits than its factorization.

79139548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63932 (or 63930 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 79139548 is about 8896.0411419912. The cubic root of 79139548 is about 429.3365431156.

The spelling of 79139548 in words is "seventy-nine million, one hundred thirty-nine thousand, five hundred forty-eight".