7133585857 has 4 divisors (see below), whose sum is σ = 7133758000. Its totient is φ = 7133413716.

The previous prime is 7133585839. The next prime is 7133585867. The reversal of 7133585857 is 7585853317.

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 7133585857 - 2⁷ = 7133585729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7133585807) 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, 18178 + ... + 120820.

It is an arithmetic number, because the mean of its divisors is an integer number (1783439500).

Almost surely, 2^7133585857 is an apocalyptic number.

It is an amenable number.

7133585857 is a deficient number, since it is larger than the sum of its proper divisors (172143).

7133585857 is a wasteful number, since it uses less digits than its factorization.

7133585857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172142.

The product of its digits is 3528000, while the sum is 52.

The square root of 7133585857 is about 84460.5579960256. The cubic root of 7133585857 is about 1925.0231835742.

The spelling of 7133585857 in words is "seven billion, one hundred thirty-three million, five hundred eighty-five thousand, eight hundred fifty-seven".