539079105857 has 4 divisors (see below), whose sum is σ = 539081260080. Its totient is φ = 539076951636.

The previous prime is 539079105853. The next prime is 539079105871. The reversal of 539079105857 is 758501970935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 539079105857 - 2² = 539079105853 is a prime.

It is a super-2 number, since 2×539079105857² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539079105796 and 539079105805.

It is not an unprimeable number, because it can be changed into a prime (539079105853) 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, 643583 + ... + 1221620.

It is an arithmetic number, because the mean of its divisors is an integer number (134770315020).

Almost surely, 2^539079105857 is an apocalyptic number.

It is an amenable number.

539079105857 is a deficient number, since it is larger than the sum of its proper divisors (2154223).

539079105857 is a wasteful number, since it uses less digits than its factorization.

539079105857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154222.

The product of its (nonzero) digits is 11907000, while the sum is 59.

The spelling of 539079105857 in words is "five hundred thirty-nine billion, seventy-nine million, one hundred five thousand, eight hundred fifty-seven".