83349503977 has 2 divisors, whose sum is σ = 83349503978. Its totient is φ = 83349503976.

The previous prime is 83349503891. The next prime is 83349504023. The reversal of 83349503977 is 77930594338.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54769572841 + 28579931136 = 234029^2 + 169056^2 .

It is a cyclic number.

It is not a de Polignac number, because 83349503977 - 2¹⁵ = 83349471209 is a prime.

It is not a weakly prime, because it can be changed into another prime (83349503077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41674751988 + 41674751989.

It is an arithmetic number, because the mean of its divisors is an integer number (41674751989).

Almost surely, 2^83349503977 is an apocalyptic number.

It is an amenable number.

83349503977 is a deficient number, since it is larger than the sum of its proper divisors (1).

83349503977 is an equidigital number, since it uses as much as digits as its factorization.

83349503977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 83349503977 in words is "eighty-three billion, three hundred forty-nine million, five hundred three thousand, nine hundred seventy-seven".