26993884954 has 8 divisors (see below), whose sum is σ = 40534043508. Its totient is φ = 13482537120.

The previous prime is 26993884927. The next prime is 26993885003. The reversal of 26993884954 is 45948839962.

It can be written as a sum of positive squares in 2 ways, for example, as 26414375625 + 579509329 = 162525^2 + 24073^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 26993884954.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7200337 + ... + 7204084.

Almost surely, 2^26993884954 is an apocalyptic number.

26993884954 is a deficient number, since it is larger than the sum of its proper divisors (13540158554).

26993884954 is a wasteful number, since it uses less digits than its factorization.

26993884954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14405360.

The product of its digits is 134369280, while the sum is 67.

The spelling of 26993884954 in words is "twenty-six billion, nine hundred ninety-three million, eight hundred eighty-four thousand, nine hundred fifty-four".