27725773357 has 4 divisors (see below), whose sum is σ = 27737051040. Its totient is φ = 27714495676.

The previous prime is 27725773349. The next prime is 27725773469. The reversal of 27725773357 is 75337752772.

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 27725773357 - 2³ = 27725773349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27725773298 and 27725773307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27725773057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5635153 + ... + 5640070.

It is an arithmetic number, because the mean of its divisors is an integer number (6934262760).

Almost surely, 2^27725773357 is an apocalyptic number.

It is an amenable number.

27725773357 is a deficient number, since it is larger than the sum of its proper divisors (11277683).

27725773357 is a wasteful number, since it uses less digits than its factorization.

27725773357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11277682.

The product of its digits is 15126300, while the sum is 55.

The spelling of 27725773357 in words is "twenty-seven billion, seven hundred twenty-five million, seven hundred seventy-three thousand, three hundred fifty-seven".