26091310078 has 32 divisors (see below), whose sum is σ = 41130374400. Its totient is φ = 12389583360.

The previous prime is 26091310073. The next prime is 26091310109. The reversal of 26091310078 is 87001319062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26091310073) 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, 4355001 + ... + 4360987.

It is an arithmetic number, because the mean of its divisors is an integer number (1285324200).

Almost surely, 2^26091310078 is an apocalyptic number.

26091310078 is a deficient number, since it is larger than the sum of its proper divisors (15039064322).

26091310078 is a wasteful number, since it uses less digits than its factorization.

26091310078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 26091310078 in words is "twenty-six billion, ninety-one million, three hundred ten thousand, seventy-eight".