26777042122 has 4 divisors (see below), whose sum is σ = 40165563186. Its totient is φ = 13388521060.

The previous prime is 26777042119. The next prime is 26777042137. The reversal of 26777042122 is 22124077762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22124077762 = 2 ⋅11062038881.

It can be written as a sum of positive squares in only one way, i.e., 18122275161 + 8654766961 = 134619^2 + 93031^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6694260529 + ... + 6694260532.

Almost surely, 2^26777042122 is an apocalyptic number.

26777042122 is a deficient number, since it is larger than the sum of its proper divisors (13388521064).

26777042122 is a wasteful number, since it uses less digits than its factorization.

26777042122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13388521063.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 26777042122 in words is "twenty-six billion, seven hundred seventy-seven million, forty-two thousand, one hundred twenty-two".