83473487 has 2 divisors, whose sum is σ = 83473488. Its totient is φ = 83473486.

The previous prime is 83473469. The next prime is 83473543. The reversal of 83473487 is 78437438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83473487 - 2¹⁸ = 83211343 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 (83473427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41736743 + 41736744.

It is an arithmetic number, because the mean of its divisors is an integer number (41736744).

Almost surely, 2^83473487 is an apocalyptic number.

83473487 is a deficient number, since it is larger than the sum of its proper divisors (1).

83473487 is an equidigital number, since it uses as much as digits as its factorization.

83473487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The square root of 83473487 is about 9136.3825992567. The cubic root of 83473487 is about 437.0349662285.

The spelling of 83473487 in words is "eighty-three million, four hundred seventy-three thousand, four hundred eighty-seven".