70475526857 has 2 divisors, whose sum is σ = 70475526858. Its totient is φ = 70475526856.

The previous prime is 70475526817. The next prime is 70475526887. The reversal of 70475526857 is 75862557407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54648880441 + 15826646416 = 233771^2 + 125804^2 .

It is a cyclic number.

It is not a de Polignac number, because 70475526857 - 2¹⁴ = 70475510473 is a prime.

It is not a weakly prime, because it can be changed into another prime (70475526817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35237763428 + 35237763429.

It is an arithmetic number, because the mean of its divisors is an integer number (35237763429).

Almost surely, 2^70475526857 is an apocalyptic number.

It is an amenable number.

70475526857 is a deficient number, since it is larger than the sum of its proper divisors (1).

70475526857 is an equidigital number, since it uses as much as digits as its factorization.

70475526857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464000, while the sum is 56.

The spelling of 70475526857 in words is "seventy billion, four hundred seventy-five million, five hundred twenty-six thousand, eight hundred fifty-seven".