7871906934 has 24 divisors (see below), whose sum is σ = 17168756592. Its totient is φ = 2606590800.

The previous prime is 7871906897. The next prime is 7871906941. The reversal of 7871906934 is 4396091787.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445389 + ... + 1450824.

It is an arithmetic number, because the mean of its divisors is an integer number (715364858).

Almost surely, 2^7871906934 is an apocalyptic number.

7871906934 is an abundant number, since it is smaller than the sum of its proper divisors (9296849658).

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

7871906934 is a wasteful number, since it uses less digits than its factorization.

7871906934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896372 (or 2896369 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 7871906934 is about 88723.7675823113. The cubic root of 7871906934 is about 1989.2680939323.

The spelling of 7871906934 in words is "seven billion, eight hundred seventy-one million, nine hundred six thousand, nine hundred thirty-four".