26818388157 has 8 divisors (see below), whose sum is σ = 39008564640. Its totient is φ = 16253568560.

The previous prime is 26818388153. The next prime is 26818388173. The reversal of 26818388157 is 75188381862.

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 26818388157 - 2² = 26818388153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26818388097 and 26818388106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26818388153) 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, 406339182 + ... + 406339247.

It is an arithmetic number, because the mean of its divisors is an integer number (4876070580).

Almost surely, 2^26818388157 is an apocalyptic number.

It is an amenable number.

26818388157 is a deficient number, since it is larger than the sum of its proper divisors (12190176483).

26818388157 is a wasteful number, since it uses less digits than its factorization.

26818388157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812678443.

The product of its digits is 5160960, while the sum is 57.

The spelling of 26818388157 in words is "twenty-six billion, eight hundred eighteen million, three hundred eighty-eight thousand, one hundred fifty-seven".