8579347057 has 6 divisors (see below), whose sum is σ = 8783508642. Its totient is φ = 8379825552.

The previous prime is 8579347043. The next prime is 8579347087. The reversal of 8579347057 is 7507439758.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5144332176 + 3435014881 = 71724^2 + 58609^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8579347057 is a prime.

It is a super-2 number, since 2×8579347057² (a number of 21 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 = 8579346989 and 8579347007.

It is not an unprimeable number, because it can be changed into a prime (8579347087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2318148 + ... + 2321845.

It is an arithmetic number, because the mean of its divisors is an integer number (1463918107).

Almost surely, 2^8579347057 is an apocalyptic number.

It is an amenable number.

8579347057 is a deficient number, since it is larger than the sum of its proper divisors (204161585).

8579347057 is an equidigital number, since it uses as much as digits as its factorization.

8579347057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640079 (or 4640036 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 55.

The square root of 8579347057 is about 92624.7648148161. The cubic root of 8579347057 is about 2047.1582323810.

The spelling of 8579347057 in words is "eight billion, five hundred seventy-nine million, three hundred forty-seven thousand, fifty-seven".