83079655517 has 2 divisors, whose sum is σ = 83079655518. Its totient is φ = 83079655516.

The previous prime is 83079655487. The next prime is 83079655567. The reversal of 83079655517 is 71555697038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52354473721 + 30725181796 = 228811^2 + 175286^2 .

It is a cyclic number.

It is not a de Polignac number, because 83079655517 - 2⁶ = 83079655453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83079655567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41539827758 + 41539827759.

It is an arithmetic number, because the mean of its divisors is an integer number (41539827759).

Almost surely, 2^83079655517 is an apocalyptic number.

It is an amenable number.

83079655517 is a deficient number, since it is larger than the sum of its proper divisors (1).

83079655517 is an equidigital number, since it uses as much as digits as its factorization.

83079655517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 83079655517 in words is "eighty-three billion, seventy-nine million, six hundred fifty-five thousand, five hundred seventeen".