87144006 has 16 divisors (see below), whose sum is σ = 184540464. Its totient is φ = 27339264.

The previous prime is 87143999. The next prime is 87144017. The reversal of 87144006 is 60044178.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 427075 + ... + 427278.

It is an arithmetic number, because the mean of its divisors is an integer number (11533779).

Almost surely, 2^87144006 is an apocalyptic number.

87144006 is an abundant number, since it is smaller than the sum of its proper divisors (97396458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87144006 is a wasteful number, since it uses less digits than its factorization.

87144006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854375.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87144006 is about 9335.0953931923. The cubic root of 87144006 is about 443.3491091804.

It can be divided in two parts, 8714 and 4006, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 87144006 in words is "eighty-seven million, one hundred forty-four thousand, six".