9479581057 has 8 divisors (see below), whose sum is σ = 9549986336. Its totient is φ = 9409325472.

The previous prime is 9479581051. The next prime is 9479581079. The reversal of 9479581057 is 7501859749.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9479581057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9479580989 and 9479581007.

It is not an unprimeable number, because it can be changed into a prime (9479581051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91333 + ... + 165229.

It is an arithmetic number, because the mean of its divisors is an integer number (1193748292).

Almost surely, 2^9479581057 is an apocalyptic number.

It is an amenable number.

9479581057 is a deficient number, since it is larger than the sum of its proper divisors (70405279).

9479581057 is a wasteful number, since it uses less digits than its factorization.

9479581057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74847.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The square root of 9479581057 is about 97363.1401352689. The cubic root of 9479581057 is about 2116.3933170171.

The spelling of 9479581057 in words is "nine billion, four hundred seventy-nine million, five hundred eighty-one thousand, fifty-seven".