881328778 has 16 divisors (see below), whose sum is σ = 1450516896. Its totient is φ = 398286640.

The previous prime is 881328709. The next prime is 881328779. The reversal of 881328778 is 877823188.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (881328779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111976 + ... + 119587.

It is an arithmetic number, because the mean of its divisors is an integer number (90657306).

Almost surely, 2^881328778 is an apocalyptic number.

881328778 is a deficient number, since it is larger than the sum of its proper divisors (569188118).

881328778 is a wasteful number, since it uses less digits than its factorization.

881328778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231749.

The product of its digits is 1204224, while the sum is 52.

The square root of 881328778 is about 29687.1820488237. The cubic root of 881328778 is about 958.7660571280.

The spelling of 881328778 in words is "eight hundred eighty-one million, three hundred twenty-eight thousand, seven hundred seventy-eight".