83655085901 has 2 divisors, whose sum is σ = 83655085902. Its totient is φ = 83655085900.

The previous prime is 83655085873. The next prime is 83655085957. The reversal of 83655085901 is 10958055638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75720730276 + 7934355625 = 275174^2 + 89075^2 .

It is a cyclic number.

It is not a de Polignac number, because 83655085901 - 2⁶ = 83655085837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83655085901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83655085201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41827542950 + 41827542951.

It is an arithmetic number, because the mean of its divisors is an integer number (41827542951).

Almost surely, 2^83655085901 is an apocalyptic number.

It is an amenable number.

83655085901 is a deficient number, since it is larger than the sum of its proper divisors (1).

83655085901 is an equidigital number, since it uses as much as digits as its factorization.

83655085901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 83655085901 in words is "eighty-three billion, six hundred fifty-five million, eighty-five thousand, nine hundred one".