51768782426 has 8 divisors (see below), whose sum is σ = 77663293344. Its totient is φ = 25881017980.

The previous prime is 51768782411. The next prime is 51768782431. The reversal of 51768782426 is 62428786715.

51768782426 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, 1667390 + ... + 1698153.

It is an arithmetic number, because the mean of its divisors is an integer number (9707911668).

Almost surely, 2^51768782426 is an apocalyptic number.

51768782426 is a deficient number, since it is larger than the sum of its proper divisors (25894510918).

51768782426 is a wasteful number, since it uses less digits than its factorization.

51768782426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373236.

The product of its digits is 9031680, while the sum is 56.

The spelling of 51768782426 in words is "fifty-one billion, seven hundred sixty-eight million, seven hundred eighty-two thousand, four hundred twenty-six".