26468778 has 64 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 7299072.

The previous prime is 26468773. The next prime is 26468809. The reversal of 26468778 is 87786462.

It is not an unprimeable number, because it can be changed into a prime (26468773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272826 + ... + 272922.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^26468778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26468778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31328640).

26468778 is an abundant number, since it is smaller than the sum of its proper divisors (36188502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26468778 is a wasteful number, since it uses less digits than its factorization.

26468778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its digits is 903168, while the sum is 48.

The square root of 26468778 is about 5144.7816280188. The cubic root of 26468778 is about 298.0194648187.

The spelling of 26468778 in words is "twenty-six million, four hundred sixty-eight thousand, seven hundred seventy-eight".