685769363 has 8 divisors (see below), whose sum is σ = 688686240. Its totient is φ = 682859520.

The previous prime is 685769353. The next prime is 685769387. The reversal of 685769363 is 363967586.

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 685769363 - 2⁴ = 685769347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (685769353) 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, 280181 + ... + 282617.

It is an arithmetic number, because the mean of its divisors is an integer number (86085780).

Almost surely, 2^685769363 is an apocalyptic number.

685769363 is a deficient number, since it is larger than the sum of its proper divisors (2916877).

685769363 is a wasteful number, since it uses less digits than its factorization.

685769363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517.

The product of its digits is 4898880, while the sum is 53.

The square root of 685769363 is about 26187.1984564978. The cubic root of 685769363 is about 881.8458856126.

The spelling of 685769363 in words is "six hundred eighty-five million, seven hundred sixty-nine thousand, three hundred sixty-three".