789665662 has 4 divisors (see below), whose sum is σ = 1184498496. Its totient is φ = 394832830.

The previous prime is 789665609. The next prime is 789665687. The reversal of 789665662 is 266566987.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197416414 + ... + 197416417.

It is an arithmetic number, because the mean of its divisors is an integer number (296124624).

Almost surely, 2^789665662 is an apocalyptic number.

789665662 is a deficient number, since it is larger than the sum of its proper divisors (394832834).

789665662 is a wasteful number, since it uses less digits than its factorization.

789665662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394832833.

The product of its digits is 6531840, while the sum is 55.

The square root of 789665662 is about 28100.9904095923. The cubic root of 789665662 is about 924.3031174766.

The spelling of 789665662 in words is "seven hundred eighty-nine million, six hundred sixty-five thousand, six hundred sixty-two".