881787680 has 48 divisors (see below), whose sum is σ = 2127565440. Its totient is φ = 345207552.

The previous prime is 881787623. The next prime is 881787689. The reversal of 881787680 is 86787188.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (881787689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51110 + ... + 66149.

It is an arithmetic number, because the mean of its divisors is an integer number (44324280).

Almost surely, 2^881787680 is an apocalyptic number.

881787680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

881787680 is an abundant number, since it is smaller than the sum of its proper divisors (1245777760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881787680 is a wasteful number, since it uses less digits than its factorization.

881787680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117321 (or 117313 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 53.

The square root of 881787680 is about 29694.9100015474. The cubic root of 881787680 is about 958.9324359450.

The spelling of 881787680 in words is "eight hundred eighty-one million, seven hundred eighty-seven thousand, six hundred eighty".