83785933061 has 2 divisors, whose sum is σ = 83785933062. Its totient is φ = 83785933060.

The previous prime is 83785933037. The next prime is 83785933097. The reversal of 83785933061 is 16033958738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71505968836 + 12279964225 = 267406^2 + 110815^2 .

It is a cyclic number.

It is not a de Polignac number, because 83785933061 - 2²² = 83781738757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83785932994 and 83785933012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83785933001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41892966530 + 41892966531.

It is an arithmetic number, because the mean of its divisors is an integer number (41892966531).

Almost surely, 2^83785933061 is an apocalyptic number.

It is an amenable number.

83785933061 is a deficient number, since it is larger than the sum of its proper divisors (1).

83785933061 is an equidigital number, since it uses as much as digits as its factorization.

83785933061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 83785933061 in words is "eighty-three billion, seven hundred eighty-five million, nine hundred thirty-three thousand, sixty-one".