70885853 has 2 divisors, whose sum is σ = 70885854. Its totient is φ = 70885852.

The previous prime is 70885817. The next prime is 70885873. The reversal of 70885853 is 35858807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 18207289 = 7258^2 + 4267^2 .

It is an emirp because it is prime and its reverse (35858807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70885853 - 2¹⁰ = 70884829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70885873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35442926 + 35442927.

It is an arithmetic number, because the mean of its divisors is an integer number (35442927).

Almost surely, 2^70885853 is an apocalyptic number.

It is an amenable number.

70885853 is a deficient number, since it is larger than the sum of its proper divisors (1).

70885853 is an equidigital number, since it uses as much as digits as its factorization.

70885853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 70885853 is about 8419.3736702916. The cubic root of 70885853 is about 413.8597489093.

The spelling of 70885853 in words is "seventy million, eight hundred eighty-five thousand, eight hundred fifty-three".