83077905413 has 2 divisors, whose sum is σ = 83077905414. Its totient is φ = 83077905412.

The previous prime is 83077905401. The next prime is 83077905451. The reversal of 83077905413 is 31450977038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66410320804 + 16667584609 = 257702^2 + 129103^2 .

It is a cyclic number.

It is not a de Polignac number, because 83077905413 - 2¹⁶ = 83077839877 is a prime.

It is a super-2 number, since 2×83077905413² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83077985413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41538952706 + 41538952707.

It is an arithmetic number, because the mean of its divisors is an integer number (41538952707).

Almost surely, 2^83077905413 is an apocalyptic number.

It is an amenable number.

83077905413 is a deficient number, since it is larger than the sum of its proper divisors (1).

83077905413 is an equidigital number, since it uses as much as digits as its factorization.

83077905413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 83077905413 in words is "eighty-three billion, seventy-seven million, nine hundred five thousand, four hundred thirteen".