26790779395 has 16 divisors (see below), whose sum is σ = 32292483552. Its totient is φ = 21337067520.

The previous prime is 26790779371. The next prime is 26790779447. The reversal of 26790779395 is 59397709762.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-26790779395 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623285 + ... + 1639705.

It is an arithmetic number, because the mean of its divisors is an integer number (2018280222).

Almost surely, 2^26790779395 is an apocalyptic number.

26790779395 is a deficient number, since it is larger than the sum of its proper divisors (5501704157).

26790779395 is a wasteful number, since it uses less digits than its factorization.

26790779395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862.

The product of its (nonzero) digits is 45008460, while the sum is 64.

The spelling of 26790779395 in words is "twenty-six billion, seven hundred ninety million, seven hundred seventy-nine thousand, three hundred ninety-five".