87344885 has 16 divisors (see below), whose sum is σ = 107268096. Its totient is φ = 68257728.

The previous prime is 87344879. The next prime is 87344891. The reversal of 87344885 is 58844378.

It is an interprime number because it is at equal distance from previous prime (87344879) and next prime (87344891).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87344885 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41519 + ... + 43571.

It is an arithmetic number, because the mean of its divisors is an integer number (6704256).

Almost surely, 2^87344885 is an apocalyptic number.

It is an amenable number.

87344885 is a deficient number, since it is larger than the sum of its proper divisors (19923211).

87344885 is a wasteful number, since it uses less digits than its factorization.

87344885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 860160, while the sum is 47.

The square root of 87344885 is about 9345.8485436048. The cubic root of 87344885 is about 443.6895081199.

The spelling of 87344885 in words is "eighty-seven million, three hundred forty-four thousand, eight hundred eighty-five".