268791897 has 8 divisors (see below), whose sum is σ = 390970080. Its totient is φ = 162904160.

The previous prime is 268791889. The next prime is 268791907. The reversal of 268791897 is 798197862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268791897 - 2³ = 268791889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268791847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072572 + ... + 4072637.

It is an arithmetic number, because the mean of its divisors is an integer number (48871260).

Almost surely, 2^268791897 is an apocalyptic number.

It is an amenable number.

268791897 is a deficient number, since it is larger than the sum of its proper divisors (122178183).

268791897 is a wasteful number, since it uses less digits than its factorization.

268791897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145223.

The product of its digits is 3048192, while the sum is 57.

The square root of 268791897 is about 16394.8741074764. The cubic root of 268791897 is about 645.3649734179.

The spelling of 268791897 in words is "two hundred sixty-eight million, seven hundred ninety-one thousand, eight hundred ninety-seven".