871101648 has 40 divisors (see below), whose sum is σ = 2500385600. Its totient is φ = 290367072.

The previous prime is 871101617. The next prime is 871101667. The reversal of 871101648 is 846101178.

871101648 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 0 + 1 + 648 = 666.

It is a super-2 number, since 2×871101648² = 1517636162296631808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007788 + ... + 1008651.

It is an arithmetic number, because the mean of its divisors is an integer number (62509640).

Almost surely, 2^871101648 is an apocalyptic number.

It is an amenable number.

871101648 is an abundant number, since it is smaller than the sum of its proper divisors (1629283952).

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

871101648 is a wasteful number, since it uses less digits than its factorization.

871101648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016456 (or 2016444 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 871101648 is about 29514.4311820506. The cubic root of 871101648 is about 955.0430425672.

The spelling of 871101648 in words is "eight hundred seventy-one million, one hundred one thousand, six hundred forty-eight".