71406753377 has 2 divisors, whose sum is σ = 71406753378. Its totient is φ = 71406753376.

The previous prime is 71406753347. The next prime is 71406753521. The reversal of 71406753377 is 77335760417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71288466001 + 118287376 = 266999^2 + 10876^2 .

It is a cyclic number.

It is not a de Polignac number, because 71406753377 - 2²⁰ = 71405704801 is a prime.

It is not a weakly prime, because it can be changed into another prime (71406753317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35703376688 + 35703376689.

It is an arithmetic number, because the mean of its divisors is an integer number (35703376689).

Almost surely, 2^71406753377 is an apocalyptic number.

It is an amenable number.

71406753377 is a deficient number, since it is larger than the sum of its proper divisors (1).

71406753377 is an equidigital number, since it uses as much as digits as its factorization.

71406753377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 71406753377 in words is "seventy-one billion, four hundred six million, seven hundred fifty-three thousand, three hundred seventy-seven".