26978063 has 8 divisors (see below), whose sum is σ = 30867360. Its totient is φ = 23097600.

The previous prime is 26978059. The next prime is 26978087. The reversal of 26978063 is 36087962.

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

It is a cyclic number.

It is not a de Polignac number, because 26978063 - 2² = 26978059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26978063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26978053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6803 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (3858420).

Almost surely, 2^26978063 is an apocalyptic number.

26978063 is a deficient number, since it is larger than the sum of its proper divisors (3889297).

26978063 is a wasteful number, since it uses less digits than its factorization.

26978063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 26978063 is about 5194.0411049586. The cubic root of 26978063 is about 299.9187298377.

The spelling of 26978063 in words is "twenty-six million, nine hundred seventy-eight thousand, sixty-three".