83469487 has 2 divisors, whose sum is σ = 83469488. Its totient is φ = 83469486.

The previous prime is 83469469. The next prime is 83469497. The reversal of 83469487 is 78496438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83469487 - 2⁷ = 83469359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83469487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83469437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41734743 + 41734744.

It is an arithmetic number, because the mean of its divisors is an integer number (41734744).

Almost surely, 2^83469487 is an apocalyptic number.

83469487 is a deficient number, since it is larger than the sum of its proper divisors (1).

83469487 is an equidigital number, since it uses as much as digits as its factorization.

83469487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 83469487 is about 9136.1636916159. The cubic root of 83469487 is about 437.0279852982.

The spelling of 83469487 in words is "eighty-three million, four hundred sixty-nine thousand, four hundred eighty-seven".