14727892660857 has 6 divisors (see below), whose sum is σ = 21273622732362. Its totient is φ = 9818595107232.

The previous prime is 14727892660781. The next prime is 14727892660879. The reversal of 14727892660857 is 75806629872741.

It is a happy number.

14727892660857 is a `hidden beast` number, since 1 + 4 + 7 + 2 + 7 + 8 + 9 + 2 + 6 + 608 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14267813980176 + 460078680681 = 3777276^2 + 678291^2 .

It is not a de Polignac number, because 14727892660857 - 2¹² = 14727892656761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14727892660157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818216258928 + ... + 818216258945.

It is an arithmetic number, because the mean of its divisors is an integer number (3545603788727).

Almost surely, 2^{14727892660857} is an apocalyptic number.

It is an amenable number.

14727892660857 is a deficient number, since it is larger than the sum of its proper divisors (6545730071505).

14727892660857 is a wasteful number, since it uses less digits than its factorization.

14727892660857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636432517879 (or 1636432517876 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 72.

The spelling of 14727892660857 in words is "fourteen trillion, seven hundred twenty-seven billion, eight hundred ninety-two million, six hundred sixty thousand, eight hundred fifty-seven".