83767561271 has 2 divisors, whose sum is σ = 83767561272. Its totient is φ = 83767561270.

The previous prime is 83767561201. The next prime is 83767561277. The reversal of 83767561271 is 17216576738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83767561271 - 2¹⁸ = 83767299127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83767561277) 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, 41883780635 + 41883780636.

It is an arithmetic number, because the mean of its divisors is an integer number (41883780636).

Almost surely, 2^83767561271 is an apocalyptic number.

83767561271 is a deficient number, since it is larger than the sum of its proper divisors (1).

83767561271 is an equidigital number, since it uses as much as digits as its factorization.

83767561271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The spelling of 83767561271 in words is "eighty-three billion, seven hundred sixty-seven million, five hundred sixty-one thousand, two hundred seventy-one".