26779119678 has 24 divisors (see below), whose sum is σ = 61434451728. Its totient is φ = 8401292352.

The previous prime is 26779119607. The next prime is 26779119683. The reversal of 26779119678 is 87691197762.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43756426 + ... + 43757037.

It is an arithmetic number, because the mean of its divisors is an integer number (2559768822).

Almost surely, 2^26779119678 is an apocalyptic number.

26779119678 is an abundant number, since it is smaller than the sum of its proper divisors (34655332050).

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

26779119678 is a wasteful number, since it uses less digits than its factorization.

26779119678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87513488 (or 87513485 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 63.

The spelling of 26779119678 in words is "twenty-six billion, seven hundred seventy-nine million, one hundred nineteen thousand, six hundred seventy-eight".