26779424388 has 24 divisors (see below), whose sum is σ = 62488598592. Its totient is φ = 8926006944.

The previous prime is 26779424359. The next prime is 26779424393. The reversal of 26779424388 is 88342497762.

It is a happy 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, 241606 + ... + 334562.

It is an arithmetic number, because the mean of its divisors is an integer number (2603691608).

Almost surely, 2^26779424388 is an apocalyptic number.

It is an amenable number.

26779424388 is an abundant number, since it is smaller than the sum of its proper divisors (35709174204).

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

26779424388 is a wasteful number, since it uses less digits than its factorization.

26779424388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116971 (or 116969 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 26779424388 in words is "twenty-six billion, seven hundred seventy-nine million, four hundred twenty-four thousand, three hundred eighty-eight".