83558276281 has 2 divisors, whose sum is σ = 83558276282. Its totient is φ = 83558276280.

The previous prime is 83558276173. The next prime is 83558276353. The reversal of 83558276281 is 18267285538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75974653225 + 7583623056 = 275635^2 + 87084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83558276281 is a prime.

It is a super-2 number, since 2×83558276281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83558276881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41779138140 + 41779138141.

It is an arithmetic number, because the mean of its divisors is an integer number (41779138141).

Almost surely, 2^83558276281 is an apocalyptic number.

It is an amenable number.

83558276281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83558276281 is an equidigital number, since it uses as much as digits as its factorization.

83558276281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 55.

The spelling of 83558276281 in words is "eighty-three billion, five hundred fifty-eight million, two hundred seventy-six thousand, two hundred eighty-one".