257828036 has 12 divisors (see below), whose sum is σ = 451556028. Its totient is φ = 128812032.

The previous prime is 257827981. The next prime is 257828057. The reversal of 257828036 is 630828752.

257828036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132388036 + 125440000 = 11506^2 + 11200^2 .

It is a super-2 number, since 2×257828036² = 132950592295234592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 257827984 and 257828002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19661 + ... + 30036.

It is an arithmetic number, because the mean of its divisors is an integer number (37629669).

Almost surely, 2^257828036 is an apocalyptic number.

It is an amenable number.

257828036 is a deficient number, since it is larger than the sum of its proper divisors (193727992).

257828036 is a wasteful number, since it uses less digits than its factorization.

257828036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50998 (or 50996 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 257828036 is about 16057.0245064271. The cubic root of 257828036 is about 636.4682053985.

The spelling of 257828036 in words is "two hundred fifty-seven million, eight hundred twenty-eight thousand, thirty-six".