881507616 has 48 divisors (see below), whose sum is σ = 2524320288. Its totient is φ = 267123200.

The previous prime is 881507597. The next prime is 881507633. The reversal of 881507616 is 616705188.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416325 + ... + 418436.

It is an arithmetic number, because the mean of its divisors is an integer number (52590006).

Almost surely, 2^881507616 is an apocalyptic number.

It is an amenable number.

881507616 is an abundant number, since it is smaller than the sum of its proper divisors (1642812672).

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

881507616 is a wasteful number, since it uses less digits than its factorization.

881507616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834785 (or 834777 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 881507616 is about 29690.1939367192. The cubic root of 881507616 is about 958.8309032301.

The spelling of 881507616 in words is "eight hundred eighty-one million, five hundred seven thousand, six hundred sixteen".