26999998 has 4 divisors (see below), whose sum is σ = 40500000. Its totient is φ = 13499998.

The previous prime is 26999981. The next prime is 27000011. The reversal of 26999998 is 89999962.

It is a semiprime because it is the product of two primes.

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, 6749998 + ... + 6750001.

It is an arithmetic number, because the mean of its divisors is an integer number (10125000).

Almost surely, 2^26999998 is an apocalyptic number.

26999998 is a deficient number, since it is larger than the sum of its proper divisors (13500002).

26999998 is a wasteful number, since it uses less digits than its factorization.

26999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13500001.

The product of its digits is 5668704, while the sum is 61.

The square root of 26999998 is about 5196.1522302565. The cubic root of 26999998 is about 299.9999925926. Note that the first 5 decimals are identical.

The spelling of 26999998 in words is "twenty-six million, nine hundred ninety-nine thousand, nine hundred ninety-eight".