87884479 has 2 divisors, whose sum is σ = 87884480. Its totient is φ = 87884478.

The previous prime is 87884477. The next prime is 87884483. The reversal of 87884479 is 97448878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87884479 - 2¹ = 87884477 is a prime.

Together with 87884477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87884477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43942239 + 43942240.

It is an arithmetic number, because the mean of its divisors is an integer number (43942240).

Almost surely, 2^87884479 is an apocalyptic number.

87884479 is a deficient number, since it is larger than the sum of its proper divisors (1).

87884479 is an equidigital number, since it uses as much as digits as its factorization.

87884479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 87884479 is about 9374.6722076028. The cubic root of 87884479 is about 444.6012992446.

The spelling of 87884479 in words is "eighty-seven million, eight hundred eighty-four thousand, four hundred seventy-nine".