83560551853 has 2 divisors, whose sum is σ = 83560551854. Its totient is φ = 83560551852.

The previous prime is 83560551797. The next prime is 83560551857. The reversal of 83560551853 is 35815506538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44673895044 + 38886656809 = 211362^2 + 197197^2 .

It is a cyclic number.

It is not a de Polignac number, because 83560551853 - 2²⁹ = 83023680941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83560551797 and 83560551806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83560551857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41780275926 + 41780275927.

It is an arithmetic number, because the mean of its divisors is an integer number (41780275927).

Almost surely, 2^83560551853 is an apocalyptic number.

It is an amenable number.

83560551853 is a deficient number, since it is larger than the sum of its proper divisors (1).

83560551853 is an equidigital number, since it uses as much as digits as its factorization.

83560551853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 83560551853 in words is "eighty-three billion, five hundred sixty million, five hundred fifty-one thousand, eight hundred fifty-three".