79660093 has 4 divisors (see below), whose sum is σ = 79726140. Its totient is φ = 79594048.

The previous prime is 79660081. The next prime is 79660151. The reversal of 79660093 is 39006697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39006697 = 1231 ⋅31687.

It can be written as a sum of positive squares in 2 ways, for example, as 57729604 + 21930489 = 7598^2 + 4683^2 .

It is a cyclic number.

It is not a de Polignac number, because 79660093 - 2⁹ = 79659581 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79660033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31180 + ... + 33637.

It is an arithmetic number, because the mean of its divisors is an integer number (19931535).

Almost surely, 2^79660093 is an apocalyptic number.

It is an amenable number.

79660093 is a deficient number, since it is larger than the sum of its proper divisors (66047).

79660093 is a wasteful number, since it uses less digits than its factorization.

79660093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66046.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 79660093 is about 8925.2503046133. The cubic root of 79660093 is about 430.2758154738.

The spelling of 79660093 in words is "seventy-nine million, six hundred sixty thousand, ninety-three".