2547475856 has 10 divisors (see below), whose sum is σ = 4935734502. Its totient is φ = 1273737920.

The previous prime is 2547475849. The next prime is 2547475873. The reversal of 2547475856 is 6585747452.

It can be written as a sum of positive squares in only one way, i.e., 2430490000 + 116985856 = 49300^2 + 10816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2547475798 and 2547475807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79608605 + ... + 79608636.

Almost surely, 2^2547475856 is an apocalyptic number.

It is an amenable number.

2547475856 is a deficient number, since it is larger than the sum of its proper divisors (2388258646).

2547475856 is a wasteful number, since it uses less digits than its factorization.

2547475856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159217249 (or 159217243 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 53.

The square root of 2547475856 is about 50472.5257541170. The cubic root of 2547475856 is about 1365.7462777271.

The spelling of 2547475856 in words is "two billion, five hundred forty-seven million, four hundred seventy-five thousand, eight hundred fifty-six".