87010305 has 8 divisors (see below), whose sum is σ = 139216512. Its totient is φ = 46405488.

The previous prime is 87010303. The next prime is 87010321. The reversal of 87010305 is 50301078.

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

It is not a de Polignac number, because 87010305 - 2¹ = 87010303 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 (87010303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900329 + ... + 2900358.

It is an arithmetic number, because the mean of its divisors is an integer number (17402064).

Almost surely, 2^87010305 is an apocalyptic number.

It is an amenable number.

87010305 is a deficient number, since it is larger than the sum of its proper divisors (52206207).

87010305 is a wasteful number, since it uses less digits than its factorization.

87010305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800695.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 87010305 is about 9327.9314427155. The cubic root of 87010305 is about 443.1222564770.

It can be divided in two parts, 870 and 10305, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 87010305 in words is "eighty-seven million, ten thousand, three hundred five".