881720383 has 6 divisors (see below), whose sum is σ = 911081472. Its totient is φ = 853276860.

The previous prime is 881720363. The next prime is 881720393. The reversal of 881720383 is 383027188.

It is a de Polignac number, because none of the positive numbers 2^k-881720383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881720363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457791 + ... + 459712.

It is an arithmetic number, because the mean of its divisors is an integer number (151846912).

Almost surely, 2^881720383 is an apocalyptic number.

881720383 is a deficient number, since it is larger than the sum of its proper divisors (29361089).

881720383 is an equidigital number, since it uses as much as digits as its factorization.

881720383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917565 (or 917534 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 881720383 is about 29693.7768396006. The cubic root of 881720383 is about 958.9080404587.

The spelling of 881720383 in words is "eight hundred eighty-one million, seven hundred twenty thousand, three hundred eighty-three".