84487637 has 16 divisors (see below), whose sum is σ = 96671232. Its totient is φ = 73148160.

The previous prime is 84487633. The next prime is 84487651. The reversal of 84487637 is 73678448.

It is a cyclic number.

It is not a de Polignac number, because 84487637 - 2² = 84487633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84487591 and 84487600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84487633) 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 15 ways as a sum of consecutive naturals, for example, 94808 + ... + 95694.

It is an arithmetic number, because the mean of its divisors is an integer number (6041952).

Almost surely, 2^84487637 is an apocalyptic number.

It is an amenable number.

84487637 is a deficient number, since it is larger than the sum of its proper divisors (12183595).

84487637 is a wasteful number, since it uses less digits than its factorization.

84487637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its digits is 903168, while the sum is 47.

The square root of 84487637 is about 9191.7156722779. The cubic root of 84487637 is about 438.7977458504.

The spelling of 84487637 in words is "eighty-four million, four hundred eighty-seven thousand, six hundred thirty-seven".