83941889 has 2 divisors, whose sum is σ = 83941890. Its totient is φ = 83941888.

The previous prime is 83941873. The next prime is 83941901. The reversal of 83941889 is 98814938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80640400 + 3301489 = 8980^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 83941889 - 2⁴ = 83941873 is a prime.

It is not a weakly prime, because it can be changed into another prime (83941589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41970944 + 41970945.

It is an arithmetic number, because the mean of its divisors is an integer number (41970945).

Almost surely, 2^83941889 is an apocalyptic number.

It is an amenable number.

83941889 is a deficient number, since it is larger than the sum of its proper divisors (1).

83941889 is an equidigital number, since it uses as much as digits as its factorization.

83941889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 83941889 is about 9161.9806264803. The cubic root of 83941889 is about 437.8508993275.

The spelling of 83941889 in words is "eighty-three million, nine hundred forty-one thousand, eight hundred eighty-nine".