871620148 has 48 divisors (see below), whose sum is σ = 1827391104. Its totient is φ = 355944960.

The previous prime is 871620119. The next prime is 871620151. The reversal of 871620148 is 841026178.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40536 + ... + 58192.

It is an arithmetic number, because the mean of its divisors is an integer number (38070648).

Almost surely, 2^871620148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871620148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913695552).

871620148 is an abundant number, since it is smaller than the sum of its proper divisors (955770956).

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

871620148 is a wasteful number, since it uses less digits than its factorization.

871620148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17752 (or 17750 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 871620148 is about 29523.2137139574. The cubic root of 871620148 is about 955.2324929418.

The spelling of 871620148 in words is "eight hundred seventy-one million, six hundred twenty thousand, one hundred forty-eight".