26095309779 has 32 divisors (see below), whose sum is σ = 44302196736. Its totient is φ = 13267573920.

The previous prime is 26095309777. The next prime is 26095309789. The reversal of 26095309779 is 97790359062.

It is not a de Polignac number, because 26095309779 - 2¹ = 26095309777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26095309777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190917 + ... + 1212630.

It is an arithmetic number, because the mean of its divisors is an integer number (1384443648).

Almost surely, 2^26095309779 is an apocalyptic number.

26095309779 is a deficient number, since it is larger than the sum of its proper divisors (18206886957).

26095309779 is a wasteful number, since it uses less digits than its factorization.

26095309779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403615.

The product of its (nonzero) digits is 6429780, while the sum is 57.

The spelling of 26095309779 in words is "twenty-six billion, ninety-five million, three hundred nine thousand, seven hundred seventy-nine".