51787678714 has 16 divisors (see below), whose sum is σ = 82265554368. Its totient is φ = 24366365632.

The previous prime is 51787678699. The next prime is 51787678717. The reversal of 51787678714 is 41787678715.

51787678714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51787678717) 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, 64929 + ... + 328315.

It is an arithmetic number, because the mean of its divisors is an integer number (5141597148).

Almost surely, 2^51787678714 is an apocalyptic number.

51787678714 is a deficient number, since it is larger than the sum of its proper divisors (30477875654).

51787678714 is a wasteful number, since it uses less digits than its factorization.

51787678714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269189.

The product of its digits is 18439680, while the sum is 61.

Subtracting from 51787678714 its reverse (41787678715), we obtain a palindrome (9999999999).

The spelling of 51787678714 in words is "fifty-one billion, seven hundred eighty-seven million, six hundred seventy-eight thousand, seven hundred fourteen".