27130757677 has 8 divisors (see below), whose sum is σ = 28543633272. Its totient is φ = 25753651200.

The previous prime is 27130757671. The next prime is 27130757683. The reversal of 27130757677 is 77675703172.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27130757671) and next prime (27130757683).

It can be written as a sum of positive squares in 4 ways, for example, as 10923176196 + 16207581481 = 104514^2 + 127309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27130757677 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 (27130757671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940724 + ... + 8943757.

It is an arithmetic number, because the mean of its divisors is an integer number (3567954159).

Almost surely, 2^27130757677 is an apocalyptic number.

It is an amenable number.

27130757677 is a deficient number, since it is larger than the sum of its proper divisors (1412875595).

27130757677 is a wasteful number, since it uses less digits than its factorization.

27130757677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17884559.

The product of its (nonzero) digits is 3025260, while the sum is 52.

The spelling of 27130757677 in words is "twenty-seven billion, one hundred thirty million, seven hundred fifty-seven thousand, six hundred seventy-seven".