689799662 has 32 divisors (see below), whose sum is σ = 1106784000. Its totient is φ = 321868800.

The previous prime is 689799653. The next prime is 689799673. The reversal of 689799662 is 266997986.

689799662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 689799595 and 689799604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224714 + ... + 227762.

It is an arithmetic number, because the mean of its divisors is an integer number (34587000).

Almost surely, 2^689799662 is an apocalyptic number.

689799662 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

689799662 is a deficient number, since it is larger than the sum of its proper divisors (416984338).

689799662 is a wasteful number, since it uses less digits than its factorization.

689799662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its digits is 17635968, while the sum is 62.

The square root of 689799662 is about 26264.0374276310. The cubic root of 689799662 is about 883.5700623225.

The spelling of 689799662 in words is "six hundred eighty-nine million, seven hundred ninety-nine thousand, six hundred sixty-two".