51214987027 has 8 divisors (see below), whose sum is σ = 54166016960. Its totient is φ = 48289507560.

The previous prime is 51214987013. The next prime is 51214987063. The reversal of 51214987027 is 72078941215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51214987027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51214984027) 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, 6383493 + ... + 6391510.

It is an arithmetic number, because the mean of its divisors is an integer number (6770752120).

Almost surely, 2^51214987027 is an apocalyptic number.

51214987027 is a deficient number, since it is larger than the sum of its proper divisors (2951029933).

51214987027 is a wasteful number, since it uses less digits than its factorization.

51214987027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775233.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 51214987027 in words is "fifty-one billion, two hundred fourteen million, nine hundred eighty-seven thousand, twenty-seven".