83765147 has 2 divisors, whose sum is σ = 83765148. Its totient is φ = 83765146.

The previous prime is 83765141. The next prime is 83765159. The reversal of 83765147 is 74156738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83765147 - 2¹⁶ = 83699611 is a prime.

It is not a weakly prime, because it can be changed into another prime (83765141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41882573 + 41882574.

It is an arithmetic number, because the mean of its divisors is an integer number (41882574).

Almost surely, 2^83765147 is an apocalyptic number.

83765147 is a deficient number, since it is larger than the sum of its proper divisors (1).

83765147 is an equidigital number, since it uses as much as digits as its factorization.

83765147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 83765147 is about 9152.3301404615. The cubic root of 83765147 is about 437.5433809501.

The spelling of 83765147 in words is "eighty-three million, seven hundred sixty-five thousand, one hundred forty-seven".