83850854749 has 2 divisors, whose sum is σ = 83850854750. Its totient is φ = 83850854748.

The previous prime is 83850854699. The next prime is 83850854753. The reversal of 83850854749 is 94745805838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42415402500 + 41435452249 = 205950^2 + 203557^2 .

It is a cyclic number.

It is not a de Polignac number, because 83850854749 - 2¹³ = 83850846557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83850854149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41925427374 + 41925427375.

It is an arithmetic number, because the mean of its divisors is an integer number (41925427375).

Almost surely, 2^83850854749 is an apocalyptic number.

It is an amenable number.

83850854749 is a deficient number, since it is larger than the sum of its proper divisors (1).

83850854749 is an equidigital number, since it uses as much as digits as its factorization.

83850854749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 83850854749 in words is "eighty-three billion, eight hundred fifty million, eight hundred fifty-four thousand, seven hundred forty-nine".