27708449952 has 48 divisors (see below), whose sum is σ = 72743281632. Its totient is φ = 9235057920.

The previous prime is 27708449947. The next prime is 27708449959. The reversal of 27708449952 is 25994480772.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 27708449892 and 27708449901.

It is not an unprimeable number, because it can be changed into a prime (27708449959) 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, 1475502 + ... + 1494162.

It is an arithmetic number, because the mean of its divisors is an integer number (1515485034).

Almost surely, 2^27708449952 is an apocalyptic number.

It is an amenable number.

27708449952 is an abundant number, since it is smaller than the sum of its proper divisors (45034831680).

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

27708449952 is a wasteful number, since it uses less digits than its factorization.

27708449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34141 (or 34133 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 27708449952 in words is "twenty-seven billion, seven hundred eight million, four hundred forty-nine thousand, nine hundred fifty-two".