27009770408 has 32 divisors (see below), whose sum is σ = 54930211560. Its totient is φ = 12400465920.

The previous prime is 27009770407. The next prime is 27009770429. The reversal of 27009770408 is 80407790072.

It can be written as a sum of positive squares in 4 ways, for example, as 19216058884 + 7793711524 = 138622^2 + 88282^2 .

It is not an unprimeable number, because it can be changed into a prime (27009770401) 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, 2416391 + ... + 2427542.

Almost surely, 2^27009770408 is an apocalyptic number.

It is an amenable number.

27009770408 is an abundant number, since it is smaller than the sum of its proper divisors (27920441152).

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

27009770408 is a wasteful number, since it uses less digits than its factorization.

27009770408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843997 (or 4843993 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 27009770408 in words is "twenty-seven billion, nine million, seven hundred seventy thousand, four hundred eight".