7879867874 has 16 divisors (see below), whose sum is σ = 12200280000. Its totient is φ = 3814178544.

The previous prime is 7879867843. The next prime is 7879867901. The reversal of 7879867874 is 4787689787.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7879867798 and 7879867807.

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, 252824 + ... + 282275.

It is an arithmetic number, because the mean of its divisors is an integer number (762517500).

Almost surely, 2^7879867874 is an apocalyptic number.

7879867874 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7879867874 is a deficient number, since it is larger than the sum of its proper divisors (4320412126).

7879867874 is a wasteful number, since it uses less digits than its factorization.

7879867874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535337.

The product of its digits is 265531392, while the sum is 71.

The square root of 7879867874 is about 88768.6198721147. The cubic root of 7879867874 is about 1989.9384570582.

The spelling of 7879867874 in words is "seven billion, eight hundred seventy-nine million, eight hundred sixty-seven thousand, eight hundred seventy-four".