79358555 has 4 divisors (see below), whose sum is σ = 95230272. Its totient is φ = 63486840.

The previous prime is 79358537. The next prime is 79358557. The reversal of 79358555 is 55585397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55585397 = 7 ⋅7940771.

It is not a de Polignac number, because 79358555 - 2⁶ = 79358491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79358557) 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, 7935851 + ... + 7935860.

It is an arithmetic number, because the mean of its divisors is an integer number (23807568).

Almost surely, 2^79358555 is an apocalyptic number.

79358555 is a deficient number, since it is larger than the sum of its proper divisors (15871717).

79358555 is a wasteful number, since it uses less digits than its factorization.

79358555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871716.

The product of its digits is 945000, while the sum is 47.

The square root of 79358555 is about 8908.3418771397. The cubic root of 79358555 is about 429.7322201522.

The spelling of 79358555 in words is "seventy-nine million, three hundred fifty-eight thousand, five hundred fifty-five".