853070399 has 2 divisors, whose sum is σ = 853070400. Its totient is φ = 853070398.

The previous prime is 853070371. The next prime is 853070419. The reversal of 853070399 is 993070358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853070399 - 2¹² = 853066303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853000399) 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, 426535199 + 426535200.

It is an arithmetic number, because the mean of its divisors is an integer number (426535200).

Almost surely, 2^853070399 is an apocalyptic number.

853070399 is a deficient number, since it is larger than the sum of its proper divisors (1).

853070399 is an equidigital number, since it uses as much as digits as its factorization.

853070399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 853070399 is about 29207.3689160801. The cubic root of 853070399 is about 948.4074514638.

The spelling of 853070399 in words is "eight hundred fifty-three million, seventy thousand, three hundred ninety-nine".