26378011 has 4 divisors (see below), whose sum is σ = 28776024. Its totient is φ = 23980000.

The previous prime is 26377997. The next prime is 26378017. The reversal of 26378011 is 11087362.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26378011 - 2⁵ = 26377979 is a prime.

It is a super-2 number, since 2×26378011² = 1391598928632242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26378017) 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, 1198990 + ... + 1199011.

It is an arithmetic number, because the mean of its divisors is an integer number (7194006).

Almost surely, 2^26378011 is an apocalyptic number.

26378011 is a deficient number, since it is larger than the sum of its proper divisors (2398013).

26378011 is a wasteful number, since it uses less digits than its factorization.

26378011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398012.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 26378011 is about 5135.9527840509. The cubic root of 26378011 is about 297.6784175638.

It can be divided in two parts, 2637 and 8011, that added together give a cube (10648 = 22³).

The spelling of 26378011 in words is "twenty-six million, three hundred seventy-eight thousand, eleven".