70613665277 has 2 divisors, whose sum is σ = 70613665278. Its totient is φ = 70613665276.

The previous prime is 70613665267. The next prime is 70613665327. The reversal of 70613665277 is 77256631607.

It is an a-pointer prime, because the next prime (70613665327) can be obtained adding 70613665277 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67957190596 + 2656474681 = 260686^2 + 51541^2 .

It is an emirp because it is prime and its reverse (77256631607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70613665277 - 2¹⁶ = 70613599741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70613665247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35306832638 + 35306832639.

It is an arithmetic number, because the mean of its divisors is an integer number (35306832639).

Almost surely, 2^70613665277 is an apocalyptic number.

It is an amenable number.

70613665277 is a deficient number, since it is larger than the sum of its proper divisors (1).

70613665277 is an equidigital number, since it uses as much as digits as its factorization.

70613665277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 70613665277 in words is "seventy billion, six hundred thirteen million, six hundred sixty-five thousand, two hundred seventy-seven".