27706488942 has 64 divisors (see below), whose sum is σ = 63281419776. Its totient is φ = 8005071360.

The previous prime is 27706488941. The next prime is 27706489009. The reversal of 27706488942 is 24988460772.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27706488941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445978 + ... + 504290.

It is an arithmetic number, because the mean of its divisors is an integer number (988772184).

Almost surely, 2^27706488942 is an apocalyptic number.

27706488942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27706488942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31640709888).

27706488942 is an abundant number, since it is smaller than the sum of its proper divisors (35574930834).

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

27706488942 is a wasteful number, since it uses less digits than its factorization.

27706488942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58665.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 27706488942 in words is "twenty-seven billion, seven hundred six million, four hundred eighty-eight thousand, nine hundred forty-two".