10881687 has 8 divisors (see below), whose sum is σ = 14862960. Its totient is φ = 7077440.

The previous prime is 10881679. The next prime is 10881701. The reversal of 10881687 is 78618801.

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 10881687 - 2³ = 10881679 is a prime.

It is a super-2 number, since 2×10881687² = 236822223931938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44112 + ... + 44357.

It is an arithmetic number, because the mean of its divisors is an integer number (1857870).

Almost surely, 2^10881687 is an apocalyptic number.

10881687 is a deficient number, since it is larger than the sum of its proper divisors (3981273).

10881687 is an equidigital number, since it uses as much as digits as its factorization.

10881687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88513.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 10881687 is about 3298.7402140817. The cubic root of 10881687 is about 221.5977823786.

It can be divided in two parts, 1088 and 1687, that added together give a triangular number (2775 = T₇₄).

The spelling of 10881687 in words is "ten million, eight hundred eighty-one thousand, six hundred eighty-seven".