26294946878 has 16 divisors (see below), whose sum is σ = 39639344976. Its totient is φ = 13081973760.

The previous prime is 26294946859. The next prime is 26294946893. The reversal of 26294946878 is 87864949262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340625 + ... + 410627.

It is an arithmetic number, because the mean of its divisors is an integer number (2477459061).

Almost surely, 2^26294946878 is an apocalyptic number.

26294946878 is a deficient number, since it is larger than the sum of its proper divisors (13344398098).

26294946878 is a wasteful number, since it uses less digits than its factorization.

26294946878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70939.

The product of its digits is 83607552, while the sum is 65.

The spelling of 26294946878 in words is "twenty-six billion, two hundred ninety-four million, nine hundred forty-six thousand, eight hundred seventy-eight".