65708725757 has 2 divisors, whose sum is σ = 65708725758. Its totient is φ = 65708725756.

The previous prime is 65708725751. The next prime is 65708725769. The reversal of 65708725757 is 75752780756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64602897241 + 1105828516 = 254171^2 + 33254^2 .

It is a cyclic number.

It is not a de Polignac number, because 65708725757 - 2²⁴ = 65691948541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65708725696 and 65708725705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65708725751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32854362878 + 32854362879.

It is an arithmetic number, because the mean of its divisors is an integer number (32854362879).

Almost surely, 2^65708725757 is an apocalyptic number.

It is an amenable number.

65708725757 is a deficient number, since it is larger than the sum of its proper divisors (1).

65708725757 is an equidigital number, since it uses as much as digits as its factorization.

65708725757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28812000, while the sum is 59.

The spelling of 65708725757 in words is "sixty-five billion, seven hundred eight million, seven hundred twenty-five thousand, seven hundred fifty-seven".