871388082 has 48 divisors (see below), whose sum is σ = 1907251008. Its totient is φ = 287517600.

The previous prime is 871388071. The next prime is 871388093. The reversal of 871388082 is 280883178.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (871388071) and next prime (871388093).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1421208 + ... + 1421820.

It is an arithmetic number, because the mean of its divisors is an integer number (39734396).

Almost surely, 2^871388082 is an apocalyptic number.

871388082 is an abundant number, since it is smaller than the sum of its proper divisors (1035862926).

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

871388082 is a wasteful number, since it uses less digits than its factorization.

871388082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 871388082 is about 29519.2832230053. The cubic root of 871388082 is about 955.1477095795.

The spelling of 871388082 in words is "eight hundred seventy-one million, three hundred eighty-eight thousand, eighty-two".