26981446798 has 4 divisors (see below), whose sum is σ = 40472170200. Its totient is φ = 13490723398.

The previous prime is 26981446727. The next prime is 26981446813. The reversal of 26981446798 is 89764418962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89764418962 = 2 ⋅44882209481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6745361698 + ... + 6745361701.

It is an arithmetic number, because the mean of its divisors is an integer number (10118042550).

Almost surely, 2^26981446798 is an apocalyptic number.

26981446798 is a deficient number, since it is larger than the sum of its proper divisors (13490723402).

26981446798 is a wasteful number, since it uses less digits than its factorization.

26981446798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490723401.

The product of its digits is 41803776, while the sum is 64.

The spelling of 26981446798 in words is "twenty-six billion, nine hundred eighty-one million, four hundred forty-six thousand, seven hundred ninety-eight".