7689894388 has 24 divisors (see below), whose sum is σ = 15186941280. Its totient is φ = 3374874720.

The previous prime is 7689894353. The next prime is 7689894437. The reversal of 7689894388 is 8834989867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3012006 + ... + 3014557.

It is an arithmetic number, because the mean of its divisors is an integer number (632789220).

Almost surely, 2^7689894388 is an apocalyptic number.

It is an amenable number.

7689894388 is a deficient number, since it is larger than the sum of its proper divisors (7497046892).

7689894388 is a wasteful number, since it uses less digits than its factorization.

7689894388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026607 (or 6026605 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 70.

The square root of 7689894388 is about 87692.0429001400. The cubic root of 7689894388 is about 1973.8165756971.

It can be divided in two parts, 768989 and 4388, that added together give a palindrome (773377).

The spelling of 7689894388 in words is "seven billion, six hundred eighty-nine million, eight hundred ninety-four thousand, three hundred eighty-eight".