79135523 has 8 divisors (see below), whose sum is σ = 81286656. Its totient is φ = 76998600.

The previous prime is 79135517. The next prime is 79135541. The reversal of 79135523 is 32553197.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79135523 - 2¹² = 79131427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79135543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8258 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (10160832).

Almost surely, 2^79135523 is an apocalyptic number.

79135523 is a deficient number, since it is larger than the sum of its proper divisors (2151133).

79135523 is a wasteful number, since it uses less digits than its factorization.

79135523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105.

The product of its digits is 28350, while the sum is 35.

The square root of 79135523 is about 8895.8149148912. The cubic root of 79135523 is about 429.3292643744.

The spelling of 79135523 in words is "seventy-nine million, one hundred thirty-five thousand, five hundred twenty-three".