268378011 has 12 divisors (see below), whose sum is σ = 422898840. Its totient is φ = 162653280.

The previous prime is 268377971. The next prime is 268378013. The reversal of 268378011 is 110873862.

It is not a de Polignac number, because 268378011 - 2⁷ = 268377883 is a prime.

It is a super-2 number, since 2×268378011² = 144053513576632242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268378013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355346 + ... + 1355543.

It is an arithmetic number, because the mean of its divisors is an integer number (35241570).

Almost surely, 2^268378011 is an apocalyptic number.

268378011 is a deficient number, since it is larger than the sum of its proper divisors (154520829).

268378011 is a wasteful number, since it uses less digits than its factorization.

268378011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710906 (or 2710903 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 268378011 is about 16382.2468239250. The cubic root of 268378011 is about 645.0335587371.

The spelling of 268378011 in words is "two hundred sixty-eight million, three hundred seventy-eight thousand, eleven".