51235976767 has 2 divisors, whose sum is σ = 51235976768. Its totient is φ = 51235976766.

The previous prime is 51235976719. The next prime is 51235976789. The reversal of 51235976767 is 76767953215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51235976767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51235974767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617988383 + 25617988384.

It is an arithmetic number, because the mean of its divisors is an integer number (25617988384).

Almost surely, 2^51235976767 is an apocalyptic number.

51235976767 is a deficient number, since it is larger than the sum of its proper divisors (1).

51235976767 is an equidigital number, since it uses as much as digits as its factorization.

51235976767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16669800, while the sum is 58.

The spelling of 51235976767 in words is "fifty-one billion, two hundred thirty-five million, nine hundred seventy-six thousand, seven hundred sixty-seven".