84233957 has 2 divisors, whose sum is σ = 84233958. Its totient is φ = 84233956.

The previous prime is 84233939. The next prime is 84233969. The reversal of 84233957 is 75933248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75933796 + 8300161 = 8714^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 84233957 - 2¹⁰ = 84232933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84233977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42116978 + 42116979.

It is an arithmetic number, because the mean of its divisors is an integer number (42116979).

Almost surely, 2^84233957 is an apocalyptic number.

It is an amenable number.

84233957 is a deficient number, since it is larger than the sum of its proper divisors (1).

84233957 is an equidigital number, since it uses as much as digits as its factorization.

84233957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 84233957 is about 9177.9059158394. The cubic root of 84233957 is about 438.3581319933.

The spelling of 84233957 in words is "eighty-four million, two hundred thirty-three thousand, nine hundred fifty-seven".