26618080678 has 16 divisors (see below), whose sum is σ = 45647553024. Its totient is φ = 11403609480.

The previous prime is 26618080673. The next prime is 26618080733. The reversal of 26618080678 is 87608081662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26618080673) 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 7 ways as a sum of consecutive naturals, for example, 304828 + ... + 382303.

It is an arithmetic number, because the mean of its divisors is an integer number (2852972064).

Almost surely, 2^26618080678 is an apocalyptic number.

26618080678 is a deficient number, since it is larger than the sum of its proper divisors (19029472346).

26618080678 is a wasteful number, since it uses less digits than its factorization.

26618080678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689907.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 26618080678 in words is "twenty-six billion, six hundred eighteen million, eighty thousand, six hundred seventy-eight".