70895857 has 2 divisors, whose sum is σ = 70895858. Its totient is φ = 70895856.

The previous prime is 70895837. The next prime is 70895893. The reversal of 70895857 is 75859807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55965361 + 14930496 = 7481^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 70895857 - 2¹⁹ = 70371569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70895857.

It is not a weakly prime, because it can be changed into another prime (70895837) 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, 35447928 + 35447929.

It is an arithmetic number, because the mean of its divisors is an integer number (35447929).

Almost surely, 2^70895857 is an apocalyptic number.

It is an amenable number.

70895857 is a deficient number, since it is larger than the sum of its proper divisors (1).

70895857 is an equidigital number, since it uses as much as digits as its factorization.

70895857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 70895857 is about 8419.9677552827. The cubic root of 70895857 is about 413.8792171012.

The spelling of 70895857 in words is "seventy million, eight hundred ninety-five thousand, eight hundred fifty-seven".