87844485 has 16 divisors (see below), whose sum is σ = 143820864. Its totient is φ = 45760512.

The previous prime is 87844481. The next prime is 87844487. The reversal of 87844485 is 58444878.

It is not a de Polignac number, because 87844485 - 2² = 87844481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87844481) 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, 67452 + ... + 68741.

It is an arithmetic number, because the mean of its divisors is an integer number (8988804).

Almost surely, 2^87844485 is an apocalyptic number.

It is an amenable number.

87844485 is a deficient number, since it is larger than the sum of its proper divisors (55976379).

87844485 is a wasteful number, since it uses less digits than its factorization.

87844485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136244.

The product of its digits is 1146880, while the sum is 48.

The square root of 87844485 is about 9372.5388769532. The cubic root of 87844485 is about 444.5338467489.

The spelling of 87844485 in words is "eighty-seven million, eight hundred forty-four thousand, four hundred eighty-five".