57079279 has 4 divisors (see below), whose sum is σ = 59047560. Its totient is φ = 55111000.

The previous prime is 57079273. The next prime is 57079289. The reversal of 57079279 is 97297075.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57079279 - 2⁷ = 57079151 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 (57079273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984097 + ... + 984154.

It is an arithmetic number, because the mean of its divisors is an integer number (14761890).

Almost surely, 2^57079279 is an apocalyptic number.

57079279 is a deficient number, since it is larger than the sum of its proper divisors (1968281).

57079279 is a wasteful number, since it uses less digits than its factorization.

57079279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968280.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 57079279 is about 7555.0829909406. The cubic root of 57079279 is about 385.0284546350.

The spelling of 57079279 in words is "fifty-seven million, seventy-nine thousand, two hundred seventy-nine".