83708656853 has 2 divisors, whose sum is σ = 83708656854. Its totient is φ = 83708656852.

The previous prime is 83708656849. The next prime is 83708656859. The reversal of 83708656853 is 35865680738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49238278609 + 34470378244 = 221897^2 + 185662^2 .

It is a cyclic number.

It is not a de Polignac number, because 83708656853 - 2² = 83708656849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83708656792 and 83708656801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83708656859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41854328426 + 41854328427.

It is an arithmetic number, because the mean of its divisors is an integer number (41854328427).

Almost surely, 2^83708656853 is an apocalyptic number.

It is an amenable number.

83708656853 is a deficient number, since it is larger than the sum of its proper divisors (1).

83708656853 is an equidigital number, since it uses as much as digits as its factorization.

83708656853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 83708656853 in words is "eighty-three billion, seven hundred eight million, six hundred fifty-six thousand, eight hundred fifty-three".