84546487 has 4 divisors (see below), whose sum is σ = 85294800. Its totient is φ = 83798176.

The previous prime is 84546481. The next prime is 84546493. The reversal of 84546487 is 78464548.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (84546481) and next prime (84546493).

It is a cyclic number.

It is not a de Polignac number, because 84546487 - 2³ = 84546479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84546481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373987 + ... + 374212.

It is an arithmetic number, because the mean of its divisors is an integer number (21323700).

Almost surely, 2^84546487 is an apocalyptic number.

84546487 is a deficient number, since it is larger than the sum of its proper divisors (748313).

84546487 is a wasteful number, since it uses less digits than its factorization.

84546487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748312.

The product of its digits is 860160, while the sum is 46.

The square root of 84546487 is about 9194.9163672107. The cubic root of 84546487 is about 438.8996039637.

It can be divided in two parts, 8454 and 6487, that added together give a palindrome (14941).

The spelling of 84546487 in words is "eighty-four million, five hundred forty-six thousand, four hundred eighty-seven".