27701383577 has 4 divisors (see below), whose sum is σ = 31658724096. Its totient is φ = 23744043060.

The previous prime is 27701383571. The next prime is 27701383579. The reversal of 27701383577 is 77538310772.

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 27701383577 - 2⁸ = 27701383321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27701383571) 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, 1978670249 + ... + 1978670262.

It is an arithmetic number, because the mean of its divisors is an integer number (7914681024).

Almost surely, 2^27701383577 is an apocalyptic number.

It is an amenable number.

27701383577 is a deficient number, since it is larger than the sum of its proper divisors (3957340519).

27701383577 is an equidigital number, since it uses as much as digits as its factorization.

27701383577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957340518.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The spelling of 27701383577 in words is "twenty-seven billion, seven hundred one million, three hundred eighty-three thousand, five hundred seventy-seven".