27378755787372 has 48 divisors (see below), whose sum is σ = 73790871219072. Its totient is φ = 7808557799680.

The previous prime is 27378755787353. The next prime is 27378755787373.

27378755787372 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (27378755787373) 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, 6100433538 + ... + 6100438025.

It is an arithmetic number, because the mean of its divisors is an integer number (1537309817064).

Almost surely, 2^{27378755787372} is an apocalyptic number.

27378755787372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27378755787372 is an abundant number, since it is smaller than the sum of its proper divisors (46412115431700).

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

27378755787372 is a wasteful number, since it uses less digits than its factorization.

27378755787372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12200871598 (or 12200871596 counting only the distinct ones).

The product of its digits is 6776582400, while the sum is 78.

The spelling of 27378755787372 in words is "twenty-seven trillion, three hundred seventy-eight billion, seven hundred fifty-five million, seven hundred eighty-seven thousand, three hundred seventy-two".