26680678 has 8 divisors (see below), whose sum is σ = 40872672. Its totient is φ = 13056456.

The previous prime is 26680657. The next prime is 26680679. The reversal of 26680678 is 87608662.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26680679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141825 + ... + 142012.

It is an arithmetic number, because the mean of its divisors is an integer number (5109084).

Almost surely, 2^26680678 is an apocalyptic number.

26680678 is a deficient number, since it is larger than the sum of its proper divisors (14191994).

26680678 is a wasteful number, since it uses less digits than its factorization.

26680678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283886.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 26680678 is about 5165.3342583031. The cubic root of 26680678 is about 298.8126326552.

The spelling of 26680678 in words is "twenty-six million, six hundred eighty thousand, six hundred seventy-eight".