51007732777 has 16 divisors (see below), whose sum is σ = 51782734080. Its totient is φ = 50237687808.

The previous prime is 51007732771. The next prime is 51007732829. The reversal of 51007732777 is 77723770015.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51007732777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51007732771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41912073 + ... + 41913289.

It is an arithmetic number, because the mean of its divisors is an integer number (3236420880).

Almost surely, 2^51007732777 is an apocalyptic number.

It is an amenable number.

51007732777 is a deficient number, since it is larger than the sum of its proper divisors (775001303).

51007732777 is a wasteful number, since it uses less digits than its factorization.

51007732777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its (nonzero) digits is 504210, while the sum is 46.

The spelling of 51007732777 in words is "fifty-one billion, seven million, seven hundred thirty-two thousand, seven hundred seventy-seven".