689323477 has 8 divisors (see below), whose sum is σ = 729616160. Its totient is φ = 649432080.

The previous prime is 689323469. The next prime is 689323487. The reversal of 689323477 is 774323986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 689323477 - 2³ = 689323469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 689323477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689323457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96783 + ... + 103660.

It is an arithmetic number, because the mean of its divisors is an integer number (91202020).

Almost surely, 2^689323477 is an apocalyptic number.

It is an amenable number.

689323477 is a deficient number, since it is larger than the sum of its proper divisors (40292683).

689323477 is a wasteful number, since it uses less digits than its factorization.

689323477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200643.

The product of its digits is 1524096, while the sum is 49.

The square root of 689323477 is about 26254.9705198844. The cubic root of 689323477 is about 883.3666990917.

The spelling of 689323477 in words is "six hundred eighty-nine million, three hundred twenty-three thousand, four hundred seventy-seven".