268168877 has 4 divisors (see below), whose sum is σ = 268238400. Its totient is φ = 268099356.

The previous prime is 268168853. The next prime is 268168909. The reversal of 268168877 is 778861862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268168877 - 2¹² = 268164781 is a prime.

It is a super-2 number, since 2×268168877² = 143829093182882258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268168807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28613 + ... + 36810.

It is an arithmetic number, because the mean of its divisors is an integer number (67059600).

Almost surely, 2^268168877 is an apocalyptic number.

It is an amenable number.

268168877 is a deficient number, since it is larger than the sum of its proper divisors (69523).

268168877 is an equidigital number, since it uses as much as digits as its factorization.

268168877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69522.

The product of its digits is 1806336, while the sum is 53.

The square root of 268168877 is about 16375.8626337668. The cubic root of 268168877 is about 644.8659673823.

The spelling of 268168877 in words is "two hundred sixty-eight million, one hundred sixty-eight thousand, eight hundred seventy-seven".