83853035869 has 2 divisors, whose sum is σ = 83853035870. Its totient is φ = 83853035868.

The previous prime is 83853035837. The next prime is 83853035921. The reversal of 83853035869 is 96853035838.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71683636644 + 12169399225 = 267738^2 + 110315^2 .

It is a cyclic number.

It is not a de Polignac number, because 83853035869 - 2⁵ = 83853035837 is a prime.

It is a super-2 number, since 2×83853035869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83853030869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41926517934 + 41926517935.

It is an arithmetic number, because the mean of its divisors is an integer number (41926517935).

Almost surely, 2^83853035869 is an apocalyptic number.

It is an amenable number.

83853035869 is a deficient number, since it is larger than the sum of its proper divisors (1).

83853035869 is an equidigital number, since it uses as much as digits as its factorization.

83853035869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 83853035869 in words is "eighty-three billion, eight hundred fifty-three million, thirty-five thousand, eight hundred sixty-nine".