83851156841 has 2 divisors, whose sum is σ = 83851156842. Its totient is φ = 83851156840.

The previous prime is 83851156777. The next prime is 83851156859. The reversal of 83851156841 is 14865115838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43640881216 + 40210275625 = 208904^2 + 200525^2 .

It is a cyclic number.

It is not a de Polignac number, because 83851156841 - 2⁶ = 83851156777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83851156841.

It is not a weakly prime, because it can be changed into another prime (83851155841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41925578420 + 41925578421.

It is an arithmetic number, because the mean of its divisors is an integer number (41925578421).

Almost surely, 2^83851156841 is an apocalyptic number.

It is an amenable number.

83851156841 is a deficient number, since it is larger than the sum of its proper divisors (1).

83851156841 is an equidigital number, since it uses as much as digits as its factorization.

83851156841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921600, while the sum is 50.

The spelling of 83851156841 in words is "eighty-three billion, eight hundred fifty-one million, one hundred fifty-six thousand, eight hundred forty-one".