7871214140 has 12 divisors (see below), whose sum is σ = 16529549736. Its totient is φ = 3148485648.

The previous prime is 7871214119. The next prime is 7871214157. The reversal of 7871214140 is 414121787.

It is a self number, because there is not a number n which added to its sum of digits gives 7871214140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196780334 + ... + 196780373.

It is an arithmetic number, because the mean of its divisors is an integer number (1377462478).

Almost surely, 2^7871214140 is an apocalyptic number.

It is an amenable number.

7871214140 is an abundant number, since it is smaller than the sum of its proper divisors (8658335596).

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

7871214140 is a wasteful number, since it uses less digits than its factorization.

7871214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393560716 (or 393560714 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 7871214140 is about 88719.8632776223. The cubic root of 7871214140 is about 1989.2097347806.

The spelling of 7871214140 in words is "seven billion, eight hundred seventy-one million, two hundred fourteen thousand, one hundred forty".