26137926078 has 48 divisors (see below), whose sum is σ = 58796588928. Its totient is φ = 7736374800.

The previous prime is 26137926053. The next prime is 26137926109. The reversal of 26137926078 is 87062973162.

It is a self number, because there is not a number n which added to its sum of digits gives 26137926078.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 387418 + ... + 449853.

It is an arithmetic number, because the mean of its divisors is an integer number (1224928936).

Almost surely, 2^26137926078 is an apocalyptic number.

26137926078 is an abundant number, since it is smaller than the sum of its proper divisors (32658662850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26137926078 is a wasteful number, since it uses less digits than its factorization.

26137926078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837341 (or 837330 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 26137926078 in words is "twenty-six billion, one hundred thirty-seven million, nine hundred twenty-six thousand, seventy-eight".