27728760707 has 8 divisors (see below), whose sum is σ = 29644913376. Its totient is φ = 25844280192.

The previous prime is 27728760691. The next prime is 27728760757. The reversal of 27728760707 is 70706782772.

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

It is not a de Polignac number, because 27728760707 - 2⁴ = 27728760691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27728760757) 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, 7916228 + ... + 7919729.

It is an arithmetic number, because the mean of its divisors is an integer number (3705614172).

Almost surely, 2^27728760707 is an apocalyptic number.

27728760707 is a deficient number, since it is larger than the sum of its proper divisors (1916152669).

27728760707 is a wasteful number, since it uses less digits than its factorization.

27728760707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15836077.

The product of its (nonzero) digits is 3226944, while the sum is 53.

The spelling of 27728760707 in words is "twenty-seven billion, seven hundred twenty-eight million, seven hundred sixty thousand, seven hundred seven".