83458477 has 2 divisors, whose sum is σ = 83458478. Its totient is φ = 83458476.

The previous prime is 83458439. The next prime is 83458481. The reversal of 83458477 is 77485438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48636676 + 34821801 = 6974^2 + 5901^2 .

It is a cyclic number.

It is not a de Polignac number, because 83458477 - 2¹⁵ = 83425709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83458777) 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, 41729238 + 41729239.

It is an arithmetic number, because the mean of its divisors is an integer number (41729239).

Almost surely, 2^83458477 is an apocalyptic number.

It is an amenable number.

83458477 is a deficient number, since it is larger than the sum of its proper divisors (1).

83458477 is an equidigital number, since it uses as much as digits as its factorization.

83458477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 46.

The square root of 83458477 is about 9135.5611212448. The cubic root of 83458477 is about 437.0087691356.

The spelling of 83458477 in words is "eighty-three million, four hundred fifty-eight thousand, four hundred seventy-seven".