881040427 has 16 divisors (see below), whose sum is σ = 915868800. Its totient is φ = 847024128.

The previous prime is 881040409. The next prime is 881040437. The reversal of 881040427 is 724040188.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881040427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881040392 and 881040401.

It is not an unprimeable number, because it can be changed into a prime (881040437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678643 + ... + 679939.

It is an arithmetic number, because the mean of its divisors is an integer number (57241800).

Almost surely, 2^881040427 is an apocalyptic number.

881040427 is a deficient number, since it is larger than the sum of its proper divisors (34828373).

881040427 is a wasteful number, since it uses less digits than its factorization.

881040427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 881040427 is about 29682.3251616176. The cubic root of 881040427 is about 958.6614834758.

The spelling of 881040427 in words is "eight hundred eighty-one million, forty thousand, four hundred twenty-seven".