27832854649 has 4 divisors (see below), whose sum is σ = 27850894336. Its totient is φ = 27814814964.

The previous prime is 27832854629. The next prime is 27832854667. The reversal of 27832854649 is 94645823872.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27832854649 - 2³¹ = 25685371001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27832854593 and 27832854602.

It is not an unprimeable number, because it can be changed into a prime (27832854629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9017529 + ... + 9020614.

It is an arithmetic number, because the mean of its divisors is an integer number (6962723584).

Almost surely, 2^27832854649 is an apocalyptic number.

It is an amenable number.

27832854649 is a deficient number, since it is larger than the sum of its proper divisors (18039687).

27832854649 is a wasteful number, since it uses less digits than its factorization.

27832854649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18039686.

The product of its digits is 23224320, while the sum is 58.

The spelling of 27832854649 in words is "twenty-seven billion, eight hundred thirty-two million, eight hundred fifty-four thousand, six hundred forty-nine".