26168678831 has 8 divisors (see below), whose sum is σ = 26339990400. Its totient is φ = 25997426208.

The previous prime is 26168678827. The next prime is 26168678839. The reversal of 26168678831 is 13887686162.

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 26168678831 - 2² = 26168678827 is a prime.

It is a super-2 number, since 2×26168678831² (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 (26168678839) 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, 1200770 + ... + 1222368.

It is an arithmetic number, because the mean of its divisors is an integer number (3292498800).

Almost surely, 2^26168678831 is an apocalyptic number.

26168678831 is a deficient number, since it is larger than the sum of its proper divisors (171311569).

26168678831 is a wasteful number, since it uses less digits than its factorization.

26168678831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29473.

The product of its digits is 4644864, while the sum is 56.

The spelling of 26168678831 in words is "twenty-six billion, one hundred sixty-eight million, six hundred seventy-eight thousand, eight hundred thirty-one".