79023393 has 6 divisors (see below), whose sum is σ = 114144914. Its totient is φ = 52682256.

The previous prime is 79023389. The next prime is 79023409. The reversal of 79023393 is 39332097.

It can be written as a sum of positive squares in only one way, i.e., 76160529 + 2862864 = 8727^2 + 1692^2 .

It is not a de Polignac number, because 79023393 - 2² = 79023389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79023353) 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 5 ways as a sum of consecutive naturals, for example, 4390180 + ... + 4390197.

Almost surely, 2^79023393 is an apocalyptic number.

It is an amenable number.

79023393 is a deficient number, since it is larger than the sum of its proper divisors (35121521).

79023393 is a wasteful number, since it uses less digits than its factorization.

79023393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780383 (or 8780380 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 36.

The square root of 79023393 is about 8889.5102789749. The cubic root of 79023393 is about 429.1263911095.

The spelling of 79023393 in words is "seventy-nine million, twenty-three thousand, three hundred ninety-three".