7946333889 has 16 divisors (see below), whose sum is σ = 11418923712. Its totient is φ = 4886278848.

The previous prime is 7946333867. The next prime is 7946333891. The reversal of 7946333889 is 9883336497.

It is not a de Polignac number, because 7946333889 - 2²⁷ = 7812116161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7946333389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26974 + ... + 128919.

It is an arithmetic number, because the mean of its divisors is an integer number (713682732).

Almost surely, 2^7946333889 is an apocalyptic number.

It is an amenable number.

7946333889 is a deficient number, since it is larger than the sum of its proper divisors (3472589823).

7946333889 is a wasteful number, since it uses less digits than its factorization.

7946333889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157216.

The product of its digits is 23514624, while the sum is 60.

The square root of 7946333889 is about 89142.2116003412. The cubic root of 7946333889 is about 1995.5177864683.

The spelling of 7946333889 in words is "seven billion, nine hundred forty-six million, three hundred thirty-three thousand, eight hundred eighty-nine".