685950883 has 4 divisors (see below), whose sum is σ = 686032848. Its totient is φ = 685868920.

The previous prime is 685950841. The next prime is 685950887. The reversal of 685950883 is 388059586.

It is a happy number.

685950883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388059586 = 2 ⋅194029793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-685950883 is a prime.

It is a super-2 number, since 2×685950883² = 941057227776959378, which contains 22 as substring.

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 685950883.

It is not an unprimeable number, because it can be changed into a prime (685950887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26791 + ... + 45712.

It is an arithmetic number, because the mean of its divisors is an integer number (171508212).

Almost surely, 2^685950883 is an apocalyptic number.

685950883 is a deficient number, since it is larger than the sum of its proper divisors (81965).

685950883 is an equidigital number, since it uses as much as digits as its factorization.

685950883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81964.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 685950883 is about 26190.6640427462. The cubic root of 685950883 is about 881.9236856002.

The spelling of 685950883 in words is "six hundred eighty-five million, nine hundred fifty thousand, eight hundred eighty-three".