79005387 has 4 divisors (see below), whose sum is σ = 105340520. Its totient is φ = 52670256.

The previous prime is 79005373. The next prime is 79005403. The reversal of 79005387 is 78350097.

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

It is not a de Polignac number, because 79005387 - 2⁴ = 79005371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79005347) 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, 13167562 + ... + 13167567.

It is an arithmetic number, because the mean of its divisors is an integer number (26335130).

Almost surely, 2^79005387 is an apocalyptic number.

79005387 is a deficient number, since it is larger than the sum of its proper divisors (26335133).

79005387 is a wasteful number, since it uses less digits than its factorization.

79005387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26335132.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 79005387 is about 8888.4974545758. The cubic root of 79005387 is about 429.0937955431.

The spelling of 79005387 in words is "seventy-nine million, five thousand, three hundred eighty-seven".