51677677847 has 8 divisors (see below), whose sum is σ = 52964310672. Its totient is φ = 50392292800.

The previous prime is 51677677837. The next prime is 51677677861. The reversal of 51677677847 is 74877677615.

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

It is a cyclic number.

It is not a de Polignac number, because 51677677847 - 2⁸ = 51677677591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677677837) 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, 227804 + ... + 394017.

It is an arithmetic number, because the mean of its divisors is an integer number (6620538834).

Almost surely, 2^51677677847 is an apocalyptic number.

51677677847 is a deficient number, since it is larger than the sum of its proper divisors (1286632825).

51677677847 is a wasteful number, since it uses less digits than its factorization.

51677677847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623889.

The product of its digits is 96808320, while the sum is 65.

The spelling of 51677677847 in words is "fifty-one billion, six hundred seventy-seven million, six hundred seventy-seven thousand, eight hundred forty-seven".