43479487 has 2 divisors, whose sum is σ = 43479488. Its totient is φ = 43479486.

The previous prime is 43479481. The next prime is 43479503. The reversal of 43479487 is 78497434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43479487 - 2³ = 43479479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43479481) 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, 21739743 + 21739744.

It is an arithmetic number, because the mean of its divisors is an integer number (21739744).

Almost surely, 2^43479487 is an apocalyptic number.

43479487 is a deficient number, since it is larger than the sum of its proper divisors (1).

43479487 is an equidigital number, since it uses as much as digits as its factorization.

43479487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 43479487 is about 6593.8977092460. The cubic root of 43479487 is about 351.6371923616.

The spelling of 43479487 in words is "forty-three million, four hundred seventy-nine thousand, four hundred eighty-seven".