79055287 has 4 divisors (see below), whose sum is σ = 83705616. Its totient is φ = 74404960.

The previous prime is 79055213. The next prime is 79055293. The reversal of 79055287 is 78255097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78255097 = 17 ⋅4603241.

It is a cyclic number.

It is not a de Polignac number, because 79055287 - 2¹¹ = 79053239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79055297) 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, 2325139 + ... + 2325172.

It is an arithmetic number, because the mean of its divisors is an integer number (20926404).

Almost surely, 2^79055287 is an apocalyptic number.

79055287 is a deficient number, since it is larger than the sum of its proper divisors (4650329).

79055287 is a wasteful number, since it uses less digits than its factorization.

79055287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650328.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 79055287 is about 8891.3040100989. The cubic root of 79055287 is about 429.1841154351.

The spelling of 79055287 in words is "seventy-nine million, fifty-five thousand, two hundred eighty-seven".