27878495960449 has 8 divisors (see below), whose sum is σ = 27895753670400. Its totient is φ = 27861240408816.

The previous prime is 27878495960407. The next prime is 27878495960573. The reversal of 27878495960449 is 94406959487872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27878495960449 - 2¹⁷ = 27878495829377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27878495960149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25696027 + ... + 26758975.

It is an arithmetic number, because the mean of its divisors is an integer number (3486969208800).

Almost surely, 2^{27878495960449} is an apocalyptic number.

It is an amenable number.

27878495960449 is a deficient number, since it is larger than the sum of its proper divisors (17257709951).

27878495960449 is a wasteful number, since it uses less digits than its factorization.

27878495960449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079159.

The product of its (nonzero) digits is 8778792960, while the sum is 82.

The spelling of 27878495960449 in words is "twenty-seven trillion, eight hundred seventy-eight billion, four hundred ninety-five million, nine hundred sixty thousand, four hundred forty-nine".