26797778 has 8 divisors (see below), whose sum is σ = 45939072. Its totient is φ = 11484756.

The previous prime is 26797751. The next prime is 26797787. The reversal of 26797778 is 87779762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 957050 + ... + 957077.

It is an arithmetic number, because the mean of its divisors is an integer number (5742384).

Almost surely, 2^26797778 is an apocalyptic number.

26797778 is a deficient number, since it is larger than the sum of its proper divisors (19141294).

26797778 is a wasteful number, since it uses less digits than its factorization.

26797778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914136.

The product of its digits is 2074464, while the sum is 53.

The square root of 26797778 is about 5176.6570293965. The cubic root of 26797778 is about 299.2491519548.

The spelling of 26797778 in words is "twenty-six million, seven hundred ninety-seven thousand, seven hundred seventy-eight".