27906416827 has 4 divisors (see below), whose sum is σ = 29547970776. Its totient is φ = 26264862880.

The previous prime is 27906416819. The next prime is 27906416849. The reversal of 27906416827 is 72861460972.

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

It is a cyclic number.

It is not a de Polignac number, because 27906416827 - 2³ = 27906416819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27906416807) 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, 820776949 + ... + 820776982.

It is an arithmetic number, because the mean of its divisors is an integer number (7386992694).

Almost surely, 2^27906416827 is an apocalyptic number.

27906416827 is a deficient number, since it is larger than the sum of its proper divisors (1641553949).

27906416827 is a wasteful number, since it uses less digits than its factorization.

27906416827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641553948.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 27906416827 in words is "twenty-seven billion, nine hundred six million, four hundred sixteen thousand, eight hundred twenty-seven".