83158147 has 2 divisors, whose sum is σ = 83158148. Its totient is φ = 83158146.

The previous prime is 83158139. The next prime is 83158157. The reversal of 83158147 is 74185138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83158147 - 2³ = 83158139 is a prime.

It is not a weakly prime, because it can be changed into another prime (83158157) 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, 41579073 + 41579074.

It is an arithmetic number, because the mean of its divisors is an integer number (41579074).

Almost surely, 2^83158147 is an apocalyptic number.

83158147 is a deficient number, since it is larger than the sum of its proper divisors (1).

83158147 is an equidigital number, since it uses as much as digits as its factorization.

83158147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 83158147 is about 9119.1088928689. The cubic root of 83158147 is about 436.4839389171.

The spelling of 83158147 in words is "eighty-three million, one hundred fifty-eight thousand, one hundred forty-seven".