27676950821 has 16 divisors (see below), whose sum is σ = 30631281408. Its totient is φ = 24844540800.

The previous prime is 27676950811. The next prime is 27676950859. The reversal of 27676950821 is 12805967672.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27676950821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27676950811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82280 + ... + 249246.

It is an arithmetic number, because the mean of its divisors is an integer number (1914455088).

Almost surely, 2^27676950821 is an apocalyptic number.

It is an amenable number.

27676950821 is a deficient number, since it is larger than the sum of its proper divisors (2954330587).

27676950821 is a wasteful number, since it uses less digits than its factorization.

27676950821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167332.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 27676950821 in words is "twenty-seven billion, six hundred seventy-six million, nine hundred fifty thousand, eight hundred twenty-one".