268920077055 has 16 divisors (see below), whose sum is σ = 491739569664. Its totient is φ = 122934892320.

The previous prime is 268920077051. The next prime is 268920077057. The reversal of 268920077055 is 550770029862.

It is not a de Polignac number, because 268920077055 - 2² = 268920077051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268920076989 and 268920077007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268920077051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280571691 + ... + 1280571900.

It is an arithmetic number, because the mean of its divisors is an integer number (30733723104).

Almost surely, 2^268920077055 is an apocalyptic number.

268920077055 is a deficient number, since it is larger than the sum of its proper divisors (222819492609).

268920077055 is a wasteful number, since it uses less digits than its factorization.

268920077055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561143606.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 268920077055 in words is "two hundred sixty-eight billion, nine hundred twenty million, seventy-seven thousand, fifty-five".