26790078 has 32 divisors (see below), whose sum is σ = 63899136. Its totient is φ = 7321248.

The previous prime is 26790077. The next prime is 26790103. The reversal of 26790078 is 87009762.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26790073) 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 15 ways as a sum of consecutive naturals, for example, 12901 + ... + 14832.

It is an arithmetic number, because the mean of its divisors is an integer number (1996848).

Almost surely, 2^26790078 is an apocalyptic number.

26790078 is an abundant number, since it is smaller than the sum of its proper divisors (37109058).

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

26790078 is a wasteful number, since it uses less digits than its factorization.

26790078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27768.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 26790078 is about 5175.9132527507. The cubic root of 26790078 is about 299.2204873991.

The spelling of 26790078 in words is "twenty-six million, seven hundred ninety thousand, seventy-eight".