51667308079 has 2 divisors, whose sum is σ = 51667308080. Its totient is φ = 51667308078.

The previous prime is 51667308073. The next prime is 51667308101. The reversal of 51667308079 is 97080376615.

51667308079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51667308079 - 2³ = 51667308071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51667308071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25833654039 + 25833654040.

It is an arithmetic number, because the mean of its divisors is an integer number (25833654040).

Almost surely, 2^51667308079 is an apocalyptic number.

51667308079 is a deficient number, since it is larger than the sum of its proper divisors (1).

51667308079 is an equidigital number, since it uses as much as digits as its factorization.

51667308079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 51667308079 in words is "fifty-one billion, six hundred sixty-seven million, three hundred eight thousand, seventy-nine".