51468355687587 has 8 divisors (see below), whose sum is σ = 68690522833920. Its totient is φ = 34279212833160.

The previous prime is 51468355687451. The next prime is 51468355687631. The reversal of 51468355687587 is 78578655386415.

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

It is not a de Polignac number, because 51468355687587 - 2¹⁵ = 51468355654819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51468355687087) 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, 8256069339 + ... + 8256075572.

It is an arithmetic number, because the mean of its divisors is an integer number (8586315354240).

Almost surely, 2^{51468355687587} is an apocalyptic number.

51468355687587 is a deficient number, since it is larger than the sum of its proper divisors (17222167146333).

51468355687587 is a wasteful number, since it uses less digits than its factorization.

51468355687587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512145953.

The product of its digits is 6773760000, while the sum is 78.

The spelling of 51468355687587 in words is "fifty-one trillion, four hundred sixty-eight billion, three hundred fifty-five million, six hundred eighty-seven thousand, five hundred eighty-seven".