26884394984 has 32 divisors (see below), whose sum is σ = 51617031840. Its totient is φ = 13120296000.

The previous prime is 26884394939. The next prime is 26884394993. The reversal of 26884394984 is 48949348862.

It is a super-3 number, since 3×26884394984³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26884394984.

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 7 ways as a sum of consecutive naturals, for example, 472214 + ... + 526074.

It is an arithmetic number, because the mean of its divisors is an integer number (1613032245).

Almost surely, 2^26884394984 is an apocalyptic number.

It is an amenable number.

26884394984 is a deficient number, since it is larger than the sum of its proper divisors (24732636856).

26884394984 is a wasteful number, since it uses less digits than its factorization.

26884394984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55361 (or 55357 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 65.

The spelling of 26884394984 in words is "twenty-six billion, eight hundred eighty-four million, three hundred ninety-four thousand, nine hundred eighty-four".