881613841 has 2 divisors, whose sum is σ = 881613842. Its totient is φ = 881613840.

The previous prime is 881613839. The next prime is 881613847. The reversal of 881613841 is 148316188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661981441 + 219632400 = 25729^2 + 14820^2 .

It is a cyclic number.

It is not a de Polignac number, because 881613841 - 2¹ = 881613839 is a prime.

Together with 881613839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 881613794 and 881613803.

It is not a weakly prime, because it can be changed into another prime (881613847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440806920 + 440806921.

It is an arithmetic number, because the mean of its divisors is an integer number (440806921).

Almost surely, 2^881613841 is an apocalyptic number.

It is an amenable number.

881613841 is a deficient number, since it is larger than the sum of its proper divisors (1).

881613841 is an equidigital number, since it uses as much as digits as its factorization.

881613841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 40.

The square root of 881613841 is about 29691.9827731325. The cubic root of 881613841 is about 958.8694159326.

The spelling of 881613841 in words is "eight hundred eighty-one million, six hundred thirteen thousand, eight hundred forty-one".