26327879478 has 24 divisors (see below), whose sum is σ = 57048924816. Its totient is φ = 8775162000.

The previous prime is 26327879429. The next prime is 26327879497. The reversal of 26327879478 is 87497872362.

26327879478 is a `hidden beast` number, since 2 + 63 + 27 + 87 + 9 + 478 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157383 + ... + 278253.

It is an arithmetic number, because the mean of its divisors is an integer number (2377038534).

Almost surely, 2^26327879478 is an apocalyptic number.

26327879478 is an abundant number, since it is smaller than the sum of its proper divisors (30721045338).

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

26327879478 is a wasteful number, since it uses less digits than its factorization.

26327879478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132980 (or 132977 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 26327879478 in words is "twenty-six billion, three hundred twenty-seven million, eight hundred seventy-nine thousand, four hundred seventy-eight".