79389193 has 8 divisors (see below), whose sum is σ = 85655808. Its totient is φ = 73145424.

The previous prime is 79389151. The next prime is 79389197. The reversal of 79389193 is 39198397.

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 79389193 - 2²¹ = 77292041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79389197) 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, 1896 + ... + 12742.

It is an arithmetic number, because the mean of its divisors is an integer number (10706976).

Almost surely, 2^79389193 is an apocalyptic number.

It is an amenable number.

79389193 is a deficient number, since it is larger than the sum of its proper divisors (6266615).

79389193 is a wasteful number, since it uses less digits than its factorization.

79389193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423.

The product of its digits is 367416, while the sum is 49.

The square root of 79389193 is about 8910.0613353669. The cubic root of 79389193 is about 429.7875153533.

The spelling of 79389193 in words is "seventy-nine million, three hundred eighty-nine thousand, one hundred ninety-three".