27700748101 has 4 divisors (see below), whose sum is σ = 29831574892. Its totient is φ = 25569921312.

The previous prime is 27700748011. The next prime is 27700748161. The reversal of 27700748101 is 10184700772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14884244001 + 12816504100 = 122001^2 + 113210^2 .

It is not a de Polignac number, because 27700748101 - 2¹⁵ = 27700715333 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 (27700748161) 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, 1065413376 + ... + 1065413401.

It is an arithmetic number, because the mean of its divisors is an integer number (7457893723).

Almost surely, 2^27700748101 is an apocalyptic number.

It is an amenable number.

27700748101 is a deficient number, since it is larger than the sum of its proper divisors (2130826791).

27700748101 is a wasteful number, since it uses less digits than its factorization.

27700748101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130826790.

The product of its (nonzero) digits is 21952, while the sum is 37.

The spelling of 27700748101 in words is "twenty-seven billion, seven hundred million, seven hundred forty-eight thousand, one hundred one".