26755898978 has 8 divisors (see below), whose sum is σ = 40143861468. Its totient is φ = 13374611824.

The previous prime is 26755898963. The next prime is 26755899013. The reversal of 26755898978 is 87989855762.

It can be written as a sum of positive squares in 2 ways, for example, as 26749583809 + 6315169 = 163553^2 + 2513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658801 + ... + 1674852.

Almost surely, 2^26755898978 is an apocalyptic number.

26755898978 is a deficient number, since it is larger than the sum of its proper divisors (13387962490).

26755898978 is a wasteful number, since it uses less digits than its factorization.

26755898978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337668.

The product of its digits is 609638400, while the sum is 74.

The spelling of 26755898978 in words is "twenty-six billion, seven hundred fifty-five million, eight hundred ninety-eight thousand, nine hundred seventy-eight".