268777777862 has 16 divisors (see below), whose sum is σ = 441043315200. Its totient is φ = 121831402440.

The previous prime is 268777777813. The next prime is 268777777897.

268777777862 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 268777777862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17007662 + ... + 17023457.

It is an arithmetic number, because the mean of its divisors is an integer number (27565207200).

Almost surely, 2^268777777862 is an apocalyptic number.

268777777862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

268777777862 is a deficient number, since it is larger than the sum of its proper divisors (172265537338).

268777777862 is a wasteful number, since it uses less digits than its factorization.

268777777862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34031491.

The product of its digits is 1084253184, while the sum is 74.

The spelling of 268777777862 in words is "two hundred sixty-eight billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, eight hundred sixty-two".