26879999898 has 8 divisors (see below), whose sum is σ = 53759999808. Its totient is φ = 8959999964.

The previous prime is 26879999879. The next prime is 26879999917. The reversal of 26879999898 is 89899997862.

It is an interprime number because it is at equal distance from previous prime (26879999879) and next prime (26879999917).

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

26879999898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 26879999898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239999986 + ... + 2239999997.

It is an arithmetic number, because the mean of its divisors is an integer number (6719999976).

Almost surely, 2^26879999898 is an apocalyptic number.

26879999898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26879999898 is a wasteful number, since it uses less digits than its factorization.

26879999898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479999988.

The product of its digits is 2539579392, while the sum is 84.

The spelling of 26879999898 in words is "twenty-six billion, eight hundred seventy-nine million, nine hundred ninety-nine thousand, eight hundred ninety-eight".