83158937 has 2 divisors, whose sum is σ = 83158938. Its totient is φ = 83158936.

The previous prime is 83158913. The next prime is 83158939. The reversal of 83158937 is 73985138.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82646281 + 512656 = 9091^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 83158937 - 2¹⁰ = 83157913 is a prime.

Together with 83158939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83158939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41579468 + 41579469.

It is an arithmetic number, because the mean of its divisors is an integer number (41579469).

Almost surely, 2^83158937 is an apocalyptic number.

It is an amenable number.

83158937 is a deficient number, since it is larger than the sum of its proper divisors (1).

83158937 is an equidigital number, since it uses as much as digits as its factorization.

83158937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 83158937 is about 9119.1522084018. The cubic root of 83158937 is about 436.4853211077.

The spelling of 83158937 in words is "eighty-three million, one hundred fifty-eight thousand, nine hundred thirty-seven".