70765543200857 has 2 divisors, whose sum is σ = 70765543200858. Its totient is φ = 70765543200856.

The previous prime is 70765543200817. The next prime is 70765543200943. The reversal of 70765543200857 is 75800234556707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38155687266841 + 32609855934016 = 6177029^2 + 5710504^2 .

It is a cyclic number.

It is not a de Polignac number, because 70765543200857 - 2¹⁰ = 70765543199833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70765543200796 and 70765543200805.

It is not a weakly prime, because it can be changed into another prime (70765543200817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35382771600428 + 35382771600429.

It is an arithmetic number, because the mean of its divisors is an integer number (35382771600429).

Almost surely, 2^{70765543200857} is an apocalyptic number.

It is an amenable number.

70765543200857 is a deficient number, since it is larger than the sum of its proper divisors (1).

70765543200857 is an equidigital number, since it uses as much as digits as its factorization.

70765543200857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392000, while the sum is 59.

The spelling of 70765543200857 in words is "seventy trillion, seven hundred sixty-five billion, five hundred forty-three million, two hundred thousand, eight hundred fifty-seven".