26889402006 has 20 divisors (see below), whose sum is σ = 60252178932. Its totient is φ = 8963133948.

The previous prime is 26889401999. The next prime is 26889402013. The reversal of 26889402006 is 60020498862.

It is an interprime number because it is at equal distance from previous prime (26889401999) and next prime (26889402013).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 82991820 + ... + 82992143.

Almost surely, 2^26889402006 is an apocalyptic number.

26889402006 is an abundant number, since it is smaller than the sum of its proper divisors (33362776926).

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

26889402006 is a wasteful number, since it uses less digits than its factorization.

26889402006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165983977 (or 165983968 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 26889402006 in words is "twenty-six billion, eight hundred eighty-nine million, four hundred two thousand, six".