26986684127 has 8 divisors (see below), whose sum is σ = 29064722064. Its totient is φ = 24908951808.

The previous prime is 26986684097. The next prime is 26986684133. The reversal of 26986684127 is 72148668962.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-26986684127 is a prime.

It is a super-2 number, since 2×26986684127² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26986684157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127088 + ... + 264810.

It is an arithmetic number, because the mean of its divisors is an integer number (3633090258).

Almost surely, 2^26986684127 is an apocalyptic number.

26986684127 is a deficient number, since it is larger than the sum of its proper divisors (2078037937).

26986684127 is a wasteful number, since it uses less digits than its factorization.

26986684127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152809.

The product of its digits is 13934592, while the sum is 59.

The spelling of 26986684127 in words is "twenty-six billion, nine hundred eighty-six million, six hundred eighty-four thousand, one hundred twenty-seven".