79552393 has 4 divisors (see below), whose sum is σ = 79806868. Its totient is φ = 79297920.

The previous prime is 79552391. The next prime is 79552397. The reversal of 79552393 is 39325597.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 68343289 = 3348^2 + 8267^2 .

It is a cyclic number.

It is not a de Polignac number, because 79552393 - 2¹ = 79552391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79552391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126768 + ... + 127393.

It is an arithmetic number, because the mean of its divisors is an integer number (19951717).

Almost surely, 2^79552393 is an apocalyptic number.

It is an amenable number.

79552393 is a deficient number, since it is larger than the sum of its proper divisors (254475).

79552393 is a wasteful number, since it uses less digits than its factorization.

79552393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254474.

The product of its digits is 255150, while the sum is 43.

The square root of 79552393 is about 8919.2148197025. The cubic root of 79552393 is about 430.0818178547.

The spelling of 79552393 in words is "seventy-nine million, five hundred fifty-two thousand, three hundred ninety-three".