26627890001 has 8 divisors (see below), whose sum is σ = 26717743080. Its totient is φ = 26538074368.

The previous prime is 26627889991. The next prime is 26627890013. The reversal of 26627890001 is 10009872662.

It can be written as a sum of positive squares in 4 ways, for example, as 602457025 + 26025432976 = 24545^2 + 161324^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26627890001 - 2¹⁸ = 26627627857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26627850001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2647955 + ... + 2657991.

It is an arithmetic number, because the mean of its divisors is an integer number (3339717885).

Almost surely, 2^26627890001 is an apocalyptic number.

It is an amenable number.

26627890001 is a deficient number, since it is larger than the sum of its proper divisors (89853079).

26627890001 is a wasteful number, since it uses less digits than its factorization.

26627890001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18723.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 26627890001 in words is "twenty-six billion, six hundred twenty-seven million, eight hundred ninety thousand, one".