83955143 has 2 divisors, whose sum is σ = 83955144. Its totient is φ = 83955142.

The previous prime is 83955119. The next prime is 83955187. The reversal of 83955143 is 34155938.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83955143 - 2¹⁰ = 83954119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83955097 and 83955106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83955103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41977571 + 41977572.

It is an arithmetic number, because the mean of its divisors is an integer number (41977572).

Almost surely, 2^83955143 is an apocalyptic number.

83955143 is a deficient number, since it is larger than the sum of its proper divisors (1).

83955143 is an equidigital number, since it uses as much as digits as its factorization.

83955143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 83955143 is about 9162.7039131470. The cubic root of 83955143 is about 437.8739429294.

The spelling of 83955143 in words is "eighty-three million, nine hundred fifty-five thousand, one hundred forty-three".