27378687372 has 48 divisors (see below), whose sum is σ = 66119289600. Its totient is φ = 8807158080.

The previous prime is 27378687359. The next prime is 27378687379.

It is a happy number.

27378687372 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (27378687379) 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, 723129 + ... + 760047.

It is an arithmetic number, because the mean of its divisors is an integer number (1377485200).

Almost surely, 2^27378687372 is an apocalyptic number.

It is an amenable number.

27378687372 is an abundant number, since it is smaller than the sum of its proper divisors (38740602228).

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

27378687372 is a wasteful number, since it uses less digits than its factorization.

27378687372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39086 (or 39084 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 60.

The spelling of 27378687372 in words is "twenty-seven billion, three hundred seventy-eight million, six hundred eighty-seven thousand, three hundred seventy-two".