10427881 has 4 divisors (see below), whose sum is σ = 10443664. Its totient is φ = 10412100.

The previous prime is 10427867. The next prime is 10427897. The reversal of 10427881 is 18872401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18872401 = 1861 ⋅10141.

It is a cyclic number.

It is not a de Polignac number, because 10427881 - 2¹⁷ = 10296809 is a prime.

It is a super-2 number, since 2×10427881² = 217481404300322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10427861) 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, 6855 + ... + 8236.

It is an arithmetic number, because the mean of its divisors is an integer number (2610916).

Almost surely, 2^10427881 is an apocalyptic number.

It is an amenable number.

10427881 is a deficient number, since it is larger than the sum of its proper divisors (15783).

10427881 is an equidigital number, since it uses as much as digits as its factorization.

10427881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 10427881 is about 3229.2229715521. Note that the first 3 decimals coincide. The cubic root of 10427881 is about 218.4734610563.

The spelling of 10427881 in words is "ten million, four hundred twenty-seven thousand, eight hundred eighty-one".