268977 has 4 divisors (see below), whose sum is σ = 358640. Its totient is φ = 179316.

The previous prime is 268973. The next prime is 268979. The reversal of 268977 is 779862.

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 not a de Polignac number, because 268977 - 2² = 268973 is a prime.

It is a D-number.

It is a Duffinian number.

268977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (268973) 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, 44827 + ... + 44832.

It is an arithmetic number, because the mean of its divisors is an integer number (89660).

2²⁶⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

268977 is a deficient number, since it is larger than the sum of its proper divisors (89663).

268977 is an equidigital number, since it uses as much as digits as its factorization.

268977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89662.

The product of its digits is 42336, while the sum is 39.

The square root of 268977 is about 518.6299258624. The cubic root of 268977 is about 64.5513082522.

The spelling of 268977 in words is "two hundred sixty-eight thousand, nine hundred seventy-seven".