87654505 has 8 divisors (see below), whose sum is σ = 110721600. Its totient is φ = 66432816.

The previous prime is 87654493. The next prime is 87654509. The reversal of 87654505 is 50545678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87654505 - 2²³ = 79265897 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87654509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461245 + ... + 461434.

It is an arithmetic number, because the mean of its divisors is an integer number (13840200).

Almost surely, 2^87654505 is an apocalyptic number.

It is an amenable number.

87654505 is a deficient number, since it is larger than the sum of its proper divisors (23067095).

87654505 is a wasteful number, since it uses less digits than its factorization.

87654505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922703.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 87654505 is about 9362.3984640689. The cubic root of 87654505 is about 444.2131531394.

The spelling of 87654505 in words is "eighty-seven million, six hundred fifty-four thousand, five hundred five".