51317327578 has 8 divisors (see below), whose sum is σ = 83973808800. Its totient is φ = 23326057980.

The previous prime is 51317327569. The next prime is 51317327591. The reversal of 51317327578 is 87572371315.

51317327578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166302878 + ... + 1166302921.

It is an arithmetic number, because the mean of its divisors is an integer number (10496726100).

Almost surely, 2^51317327578 is an apocalyptic number.

51317327578 is a deficient number, since it is larger than the sum of its proper divisors (32656481222).

51317327578 is a wasteful number, since it uses less digits than its factorization.

51317327578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332605812.

The product of its digits is 1234800, while the sum is 49.

The spelling of 51317327578 in words is "fifty-one billion, three hundred seventeen million, three hundred twenty-seven thousand, five hundred seventy-eight".