83461447 has 2 divisors, whose sum is σ = 83461448. Its totient is φ = 83461446.

The previous prime is 83461403. The next prime is 83461463. The reversal of 83461447 is 74416438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83461447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83461487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41730723 + 41730724.

It is an arithmetic number, because the mean of its divisors is an integer number (41730724).

Almost surely, 2^83461447 is an apocalyptic number.

83461447 is a deficient number, since it is larger than the sum of its proper divisors (1).

83461447 is an equidigital number, since it uses as much as digits as its factorization.

83461447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 83461447 is about 9135.7236713902. The cubic root of 83461447 is about 437.0139529536.

The spelling of 83461447 in words is "eighty-three million, four hundred sixty-one thousand, four hundred forty-seven".