871860192 has 48 divisors (see below), whose sum is σ = 2615582592. Its totient is φ = 249102720.

The previous prime is 871860139. The next prime is 871860221. The reversal of 871860192 is 291068178.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 648034 + ... + 649377.

It is an arithmetic number, because the mean of its divisors is an integer number (54491304).

Almost surely, 2^871860192 is an apocalyptic number.

It is an amenable number.

871860192 is an abundant number, since it is smaller than the sum of its proper divisors (1743722400).

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

871860192 is a wasteful number, since it uses less digits than its factorization.

871860192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297431 (or 1297423 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 871860192 is about 29527.2787774288. The cubic root of 871860192 is about 955.3201751669.

The spelling of 871860192 in words is "eight hundred seventy-one million, eight hundred sixty thousand, one hundred ninety-two".