268274853 has 72 divisors (see below), whose sum is σ = 508978080. Its totient is φ = 134487360.

The previous prime is 268274843. The next prime is 268274869. The reversal of 268274853 is 358472862.

It is not a de Polignac number, because 268274853 - 2⁶ = 268274789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268274799 and 268274808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268274843) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139726 + ... + 141632.

It is an arithmetic number, because the mean of its divisors is an integer number (7069140).

Almost surely, 2^268274853 is an apocalyptic number.

It is an amenable number.

268274853 is a deficient number, since it is larger than the sum of its proper divisors (240703227).

268274853 is a wasteful number, since it uses less digits than its factorization.

268274853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1957 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 268274853 is about 16379.0980520907. The cubic root of 268274853 is about 644.9509030593.

The spelling of 268274853 in words is "two hundred sixty-eight million, two hundred seventy-four thousand, eight hundred fifty-three".