10870087 has 4 divisors (see below), whose sum is σ = 10921816. Its totient is φ = 10818360.

The previous prime is 10870073. The next prime is 10870091. The reversal of 10870087 is 78007801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78007801 = 199 ⋅391999.

It is a cyclic number.

It is not a de Polignac number, because 10870087 - 2¹⁹ = 10345799 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 (10870187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25548 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (2730454).

Almost surely, 2^10870087 is an apocalyptic number.

10870087 is a deficient number, since it is larger than the sum of its proper divisors (51729).

10870087 is an equidigital number, since it uses as much as digits as its factorization.

10870087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51728.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 10870087 is about 3296.9814982799. The cubic root of 10870087 is about 221.5190124776.

Adding to 10870087 its reverse (78007801), we get a palindrome (88877888).

The spelling of 10870087 in words is "ten million, eight hundred seventy thousand, eighty-seven".