51774777134 has 4 divisors (see below), whose sum is σ = 77662165704. Its totient is φ = 25887388566.

The previous prime is 51774777127. The next prime is 51774777143. The reversal of 51774777134 is 43177747715.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12943694282 + ... + 12943694285.

It is an arithmetic number, because the mean of its divisors is an integer number (19415541426).

Almost surely, 2^51774777134 is an apocalyptic number.

51774777134 is a deficient number, since it is larger than the sum of its proper divisors (25887388570).

51774777134 is a wasteful number, since it uses less digits than its factorization.

51774777134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25887388569.

The product of its digits is 4033680, while the sum is 53.

The spelling of 51774777134 in words is "fifty-one billion, seven hundred seventy-four million, seven hundred seventy-seven thousand, one hundred thirty-four".