21314078727 has 8 divisors (see below), whose sum is σ = 28523639040. Its totient is φ = 14156952120.

The previous prime is 21314078719. The next prime is 21314078749. The reversal of 21314078727 is 72787041312.

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

It is not a de Polignac number, because 21314078727 - 2³ = 21314078719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314078767) 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, 13107477 + ... + 13109102.

It is an arithmetic number, because the mean of its divisors is an integer number (3565454880).

Almost surely, 2^21314078727 is an apocalyptic number.

21314078727 is a deficient number, since it is larger than the sum of its proper divisors (7209560313).

21314078727 is a wasteful number, since it uses less digits than its factorization.

21314078727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26216853.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 21314078727 in words is "twenty-one billion, three hundred fourteen million, seventy-eight thousand, seven hundred twenty-seven".