4778353925 has 12 divisors (see below), whose sum is σ = 6129475620. Its totient is φ = 3690865920.

The previous prime is 4778353883. The next prime is 4778353949. The reversal of 4778353925 is 5293538774.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 917764 + 4777436161 = 958^2 + 69119^2 .

It is not a de Polignac number, because 4778353925 - 2⁸ = 4778353669 is a prime.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 3294692 + ... + 3296141.

It is an arithmetic number, because the mean of its divisors is an integer number (510789635).

Almost surely, 2^4778353925 is an apocalyptic number.

It is an amenable number.

4778353925 is a deficient number, since it is larger than the sum of its proper divisors (1351121695).

4778353925 is a wasteful number, since it uses less digits than its factorization.

4778353925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590872 (or 6590867 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The square root of 4778353925 is about 69125.6386950602. The cubic root of 4778353925 is about 1684.3258139896.

The spelling of 4778353925 in words is "four billion, seven hundred seventy-eight million, three hundred fifty-three thousand, nine hundred twenty-five".