83458379 has 2 divisors, whose sum is σ = 83458380. Its totient is φ = 83458378.

The previous prime is 83458367. The next prime is 83458429. The reversal of 83458379 is 97385438.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83458379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83458679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41729189 + 41729190.

It is an arithmetic number, because the mean of its divisors is an integer number (41729190).

Almost surely, 2^83458379 is an apocalyptic number.

83458379 is a deficient number, since it is larger than the sum of its proper divisors (1).

83458379 is an equidigital number, since it uses as much as digits as its factorization.

83458379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 83458379 is about 9135.5557575880. Note that the first 3 decimals coincide. The cubic root of 83458379 is about 437.0085980850.

The spelling of 83458379 in words is "eighty-three million, four hundred fifty-eight thousand, three hundred seventy-nine".