8771899872 has 48 divisors (see below), whose sum is σ = 23769027072. Its totient is φ = 2829644160.

The previous prime is 8771899867. The next prime is 8771899883. The reversal of 8771899872 is 2789981778.

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

It is a congruent number.

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, 1470798 + ... + 1476749.

It is an arithmetic number, because the mean of its divisors is an integer number (495188064).

Almost surely, 2^8771899872 is an apocalyptic number.

It is an amenable number.

8771899872 is an abundant number, since it is smaller than the sum of its proper divisors (14997127200).

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

8771899872 is a wasteful number, since it uses less digits than its factorization.

8771899872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947591 (or 2947583 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 66.

The square root of 8771899872 is about 93658.4212551119. The cubic root of 8771899872 is about 2062.3603723144.

The spelling of 8771899872 in words is "eight billion, seven hundred seventy-one million, eight hundred ninety-nine thousand, eight hundred seventy-two".