26424778 has 8 divisors (see below), whose sum is σ = 39795840. Its totient is φ = 13159500.

The previous prime is 26424767. The next prime is 26424779. The reversal of 26424778 is 87742462.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26424778.

It is not an unprimeable number, because it can be changed into a prime (26424779) 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 3 ways as a sum of consecutive naturals, for example, 25818 + ... + 26821.

It is an arithmetic number, because the mean of its divisors is an integer number (4974480).

Almost surely, 2^26424778 is an apocalyptic number.

26424778 is a deficient number, since it is larger than the sum of its proper divisors (13371062).

26424778 is a wasteful number, since it uses less digits than its factorization.

26424778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52892.

The product of its digits is 150528, while the sum is 40.

The square root of 26424778 is about 5140.5036718205. The cubic root of 26424778 is about 297.8542370780.

The spelling of 26424778 in words is "twenty-six million, four hundred twenty-four thousand, seven hundred seventy-eight".