881806427 has 2 divisors, whose sum is σ = 881806428. Its totient is φ = 881806426.

The previous prime is 881806399. The next prime is 881806481. The reversal of 881806427 is 724608188.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 881806427 - 2¹⁶ = 881740891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (881806487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440903213 + 440903214.

It is an arithmetic number, because the mean of its divisors is an integer number (440903214).

Almost surely, 2^881806427 is an apocalyptic number.

881806427 is a deficient number, since it is larger than the sum of its proper divisors (1).

881806427 is an equidigital number, since it uses as much as digits as its factorization.

881806427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 881806427 is about 29695.2256600282. The cubic root of 881806427 is about 958.9392316017.

The spelling of 881806427 in words is "eight hundred eighty-one million, eight hundred six thousand, four hundred twenty-seven".