51284671798 has 8 divisors (see below), whose sum is σ = 78716008008. Its totient is φ = 25046002464.

The previous prime is 51284671777. The next prime is 51284671813. The reversal of 51284671798 is 89717648215.

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

It is a super-2 number, since 2×51284671798² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298166611 + ... + 298166782.

It is an arithmetic number, because the mean of its divisors is an integer number (9839501001).

Almost surely, 2^51284671798 is an apocalyptic number.

51284671798 is a deficient number, since it is larger than the sum of its proper divisors (27431336210).

51284671798 is a wasteful number, since it uses less digits than its factorization.

51284671798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596333438.

The product of its digits is 6773760, while the sum is 58.

The spelling of 51284671798 in words is "fifty-one billion, two hundred eighty-four million, six hundred seventy-one thousand, seven hundred ninety-eight".