27903206448 has 120 divisors (see below), whose sum is σ = 84411316080. Its totient is φ = 8553530880.

The previous prime is 27903206351. The next prime is 27903206453. The reversal of 27903206448 is 84460230972.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475863 + ... + 531273.

It is an arithmetic number, because the mean of its divisors is an integer number (703427634).

Almost surely, 2^27903206448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27903206448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42205658040).

27903206448 is an abundant number, since it is smaller than the sum of its proper divisors (56508109632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27903206448 is a wasteful number, since it uses less digits than its factorization.

27903206448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55707 (or 55698 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 27903206448 in words is "twenty-seven billion, nine hundred three million, two hundred six thousand, four hundred forty-eight".