26311779077 has 16 divisors (see below), whose sum is σ = 27807639552. Its totient is φ = 24857022960.

The previous prime is 26311779071. The next prime is 26311779079. The reversal of 26311779077 is 77097711362.

It is a cyclic number.

It is not a de Polignac number, because 26311779077 - 2⁴ = 26311779061 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26311779071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017558 + ... + 3026264.

It is an arithmetic number, because the mean of its divisors is an integer number (1737977472).

Almost surely, 2^26311779077 is an apocalyptic number.

It is an amenable number.

26311779077 is a deficient number, since it is larger than the sum of its proper divisors (1495860475).

26311779077 is a wasteful number, since it uses less digits than its factorization.

26311779077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048.

The product of its (nonzero) digits is 777924, while the sum is 50.

The spelling of 26311779077 in words is "twenty-six billion, three hundred eleven million, seven hundred seventy-nine thousand, seventy-seven".