26860857401 has 8 divisors (see below), whose sum is σ = 31688385024. Its totient is φ = 22280895360.

The previous prime is 26860857389. The next prime is 26860857407. The reversal of 26860857401 is 10475806862.

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

It is not a de Polignac number, because 26860857401 - 2²⁶ = 26793748537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26860857407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61891160 + ... + 61891593.

It is an arithmetic number, because the mean of its divisors is an integer number (3961048128).

Almost surely, 2^26860857401 is an apocalyptic number.

It is an amenable number.

26860857401 is a deficient number, since it is larger than the sum of its proper divisors (4827527623).

26860857401 is a wasteful number, since it uses less digits than its factorization.

26860857401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123782791.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 26860857401 in words is "twenty-six billion, eight hundred sixty million, eight hundred fifty-seven thousand, four hundred one".