10087861 has 8 divisors (see below), whose sum is σ = 11746944. Its totient is φ = 8483280.

The previous prime is 10087859. The next prime is 10087867. The reversal of 10087861 is 16878001.

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

It is a cyclic number.

It is not a de Polignac number, because 10087861 - 2¹ = 10087859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10087867) 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, 13225 + ... + 13966.

It is an arithmetic number, because the mean of its divisors is an integer number (1468368).

Almost surely, 2^10087861 is an apocalyptic number.

It is an amenable number.

10087861 is a deficient number, since it is larger than the sum of its proper divisors (1659083).

10087861 is an equidigital number, since it uses as much as digits as its factorization.

10087861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27251.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 10087861 is about 3176.1393231406. The cubic root of 10087861 is about 216.0725993386.

The spelling of 10087861 in words is "ten million, eighty-seven thousand, eight hundred sixty-one".