27738069996 has 48 divisors (see below), whose sum is σ = 79658050304. Its totient is φ = 7315534656.

The previous prime is 27738069991. The next prime is 27738070091. The reversal of 27738069996 is 69996083772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27738069991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12699490 + ... + 12701673.

Almost surely, 2^27738069996 is an apocalyptic number.

27738069996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27738069996 is an abundant number, since it is smaller than the sum of its proper divisors (51919980308).

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

27738069996 is a wasteful number, since it uses less digits than its factorization.

27738069996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25401190 (or 25401188 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 27738069996 in words is "twenty-seven billion, seven hundred thirty-eight million, sixty-nine thousand, nine hundred ninety-six".