83797908539 has 2 divisors, whose sum is σ = 83797908540. Its totient is φ = 83797908538.

The previous prime is 83797908463. The next prime is 83797908577. The reversal of 83797908539 is 93580979738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83797908539 - 2³⁶ = 15078431803 is a prime.

It is a super-2 number, since 2×83797908539² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (83797904539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41898954269 + 41898954270.

It is an arithmetic number, because the mean of its divisors is an integer number (41898954270).

Almost surely, 2^83797908539 is an apocalyptic number.

83797908539 is a deficient number, since it is larger than the sum of its proper divisors (1).

83797908539 is an equidigital number, since it uses as much as digits as its factorization.

83797908539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 83797908539 in words is "eighty-three billion, seven hundred ninety-seven million, nine hundred eight thousand, five hundred thirty-nine".