27660131770 has 8 divisors (see below), whose sum is σ = 49788237204. Its totient is φ = 11064052704.

The previous prime is 27660131767. The next prime is 27660131777. The reversal of 27660131770 is 7713106672.

It can be written as a sum of positive squares in 2 ways, for example, as 26896328001 + 763803769 = 164001^2 + 27637^2 .

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

It is not an unprimeable number, because it can be changed into a prime (27660131777) 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, 1383006579 + ... + 1383006598.

Almost surely, 2^27660131770 is an apocalyptic number.

27660131770 is a deficient number, since it is larger than the sum of its proper divisors (22128105434).

27660131770 is a wasteful number, since it uses less digits than its factorization.

27660131770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766013184.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 27660131770 in words is "twenty-seven billion, six hundred sixty million, one hundred thirty-one thousand, seven hundred seventy".