7879867875 has 144 divisors (see below), whose sum is σ = 15788564064. Its totient is φ = 3777840000.

The previous prime is 7879867843. The next prime is 7879867901. The reversal of 7879867875 is 5787689787.

It is not a de Polignac number, because 7879867875 - 2⁵ = 7879867843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14565105 + ... + 14565645.

It is an arithmetic number, because the mean of its divisors is an integer number (109642806).

Almost surely, 2^7879867875 is an apocalyptic number.

7879867875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7879867875 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7879867875 is a wasteful number, since it uses less digits than its factorization.

7879867875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 667 counting only the distinct ones).

The product of its digits is 331914240, while the sum is 72.

The square root of 7879867875 is about 88768.6198777473. The cubic root of 7879867875 is about 1989.9384571424.

The spelling of 7879867875 in words is "seven billion, eight hundred seventy-nine million, eight hundred sixty-seven thousand, eight hundred seventy-five".