27379344139680 has 96 divisors (see below), whose sum is σ = 92879159756544. Its totient is φ = 6739530863616.

The previous prime is 27379344139663. The next prime is 27379344139681. The reversal of 27379344139680 is 8693144397372.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (27379344139681) 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, 2193851464 + ... + 2193863943.

It is an arithmetic number, because the mean of its divisors is an integer number (967491247464).

Almost surely, 2^{27379344139680} is an apocalyptic number.

27379344139680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27379344139680 is an abundant number, since it is smaller than the sum of its proper divisors (65499815616864).

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

27379344139680 is a wasteful number, since it uses less digits than its factorization.

27379344139680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387715438 (or 4387715430 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 66.

The spelling of 27379344139680 in words is "twenty-seven trillion, three hundred seventy-nine billion, three hundred forty-four million, one hundred thirty-nine thousand, six hundred eighty".