26313451278 has 8 divisors (see below), whose sum is σ = 52626902568. Its totient is φ = 8771150424.

The previous prime is 26313451271. The next prime is 26313451327. The reversal of 26313451278 is 87215431362.

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

26313451278 is an admirable number.

It is a super-3 number, since 3×26313451278³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26313451271) 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, 2192787601 + ... + 2192787612.

It is an arithmetic number, because the mean of its divisors is an integer number (6578362821).

Almost surely, 2^26313451278 is an apocalyptic number.

26313451278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26313451278 is a wasteful number, since it uses less digits than its factorization.

26313451278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385575218.

The product of its digits is 241920, while the sum is 42.

The spelling of 26313451278 in words is "twenty-six billion, three hundred thirteen million, four hundred fifty-one thousand, two hundred seventy-eight".