83478671 has 2 divisors, whose sum is σ = 83478672. Its totient is φ = 83478670.

The previous prime is 83478643. The next prime is 83478679. The reversal of 83478671 is 17687438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83478671 - 2¹⁸ = 83216527 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83478679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41739335 + 41739336.

It is an arithmetic number, because the mean of its divisors is an integer number (41739336).

Almost surely, 2^83478671 is an apocalyptic number.

83478671 is a deficient number, since it is larger than the sum of its proper divisors (1).

83478671 is an equidigital number, since it uses as much as digits as its factorization.

83478671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 83478671 is about 9136.6662957558. Note that the first 3 decimals coincide. The cubic root of 83478671 is about 437.0440131824.

The spelling of 83478671 in words is "eighty-three million, four hundred seventy-eight thousand, six hundred seventy-one".