27741673357 has 4 divisors (see below), whose sum is σ = 27743835616. Its totient is φ = 27739511100.

The previous prime is 27741673319. The next prime is 27741673361. The reversal of 27741673357 is 75337614772.

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 a de Polignac number, because none of the positive numbers 2^k-27741673357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27741673457) 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, 1061769 + ... + 1087582.

It is an arithmetic number, because the mean of its divisors is an integer number (6935958904).

Almost surely, 2^27741673357 is an apocalyptic number.

It is an amenable number.

27741673357 is a deficient number, since it is larger than the sum of its proper divisors (2162259).

27741673357 is a wasteful number, since it uses less digits than its factorization.

27741673357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162258.

The product of its digits is 5186160, while the sum is 52.

The spelling of 27741673357 in words is "twenty-seven billion, seven hundred forty-one million, six hundred seventy-three thousand, three hundred fifty-seven".