79538081 has 8 divisors (see below), whose sum is σ = 90964224. Its totient is φ = 68127840.

The previous prime is 79538059. The next prime is 79538093. The reversal of 79538081 is 18083597.

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 79538081 - 2²⁶ = 12429217 is a prime.

It is a super-3 number, since 3×79538081³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79538021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10061 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (11370528).

Almost surely, 2^79538081 is an apocalyptic number.

It is an amenable number.

79538081 is a deficient number, since it is larger than the sum of its proper divisors (11426143).

79538081 is a wasteful number, since it uses less digits than its factorization.

79538081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7951.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 79538081 is about 8918.4124708381. The cubic root of 79538081 is about 430.0560247896.

The spelling of 79538081 in words is "seventy-nine million, five hundred thirty-eight thousand, eighty-one".