268948777 has 4 divisors (see below), whose sum is σ = 277624576. Its totient is φ = 260272980.

The previous prime is 268948769. The next prime is 268948793. The reversal of 268948777 is 777849862.

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 268948777 - 2³ = 268948769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268948877) 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, 4337853 + ... + 4337914.

It is an arithmetic number, because the mean of its divisors is an integer number (69406144).

Almost surely, 2^268948777 is an apocalyptic number.

It is an amenable number.

268948777 is a deficient number, since it is larger than the sum of its proper divisors (8675799).

268948777 is an equidigital number, since it uses as much as digits as its factorization.

268948777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675798.

The product of its digits is 9483264, while the sum is 58.

The square root of 268948777 is about 16399.6578317964. The cubic root of 268948777 is about 645.4905044420.

The spelling of 268948777 in words is "two hundred sixty-eight million, nine hundred forty-eight thousand, seven hundred seventy-seven".