83077889017 has 2 divisors, whose sum is σ = 83077889018. Its totient is φ = 83077889016.

The previous prime is 83077888991. The next prime is 83077889077. The reversal of 83077889017 is 71098877038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55915223296 + 27162665721 = 236464^2 + 164811^2 .

It is a cyclic number.

It is not a de Polignac number, because 83077889017 - 2¹⁵ = 83077856249 is a prime.

It is not a weakly prime, because it can be changed into another prime (83077889077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41538944508 + 41538944509.

It is an arithmetic number, because the mean of its divisors is an integer number (41538944509).

Almost surely, 2^83077889017 is an apocalyptic number.

It is an amenable number.

83077889017 is a deficient number, since it is larger than the sum of its proper divisors (1).

83077889017 is an equidigital number, since it uses as much as digits as its factorization.

83077889017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 83077889017 in words is "eighty-three billion, seventy-seven million, eight hundred eighty-nine thousand, seventeen".