8057479825 has 24 divisors (see below), whose sum is σ = 10272777272. Its totient is φ = 6264760320.

The previous prime is 8057479769. The next prime is 8057479849. The reversal of 8057479825 is 5289747508.

It can be written as a sum of positive squares in 12 ways, for example, as 222397569 + 7835082256 = 14913^2 + 88516^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8057479825 is a prime.

It is a super-2 number, since 2×8057479825² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917857 + ... + 926593.

Almost surely, 2^8057479825 is an apocalyptic number.

It is an amenable number.

8057479825 is a deficient number, since it is larger than the sum of its proper divisors (2215297447).

8057479825 is a wasteful number, since it uses less digits than its factorization.

8057479825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781 (or 9776 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The square root of 8057479825 is about 89763.4659814337. The cubic root of 8057479825 is about 2004.7785590105.

The spelling of 8057479825 in words is "eight billion, fifty-seven million, four hundred seventy-nine thousand, eight hundred twenty-five".