685000007535 has 32 divisors (see below), whose sum is σ = 1142069077440. Its totient is φ = 350160892928.

The previous prime is 685000007501. The next prime is 685000007567. The reversal of 685000007535 is 535700000586.

It is a cyclic number.

It is not a de Polignac number, because 685000007535 - 2⁷ = 685000007407 is a prime.

685000007535 is a modest number, since divided by 7535 gives 6850 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 685000007493 and 685000007502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5687532 + ... + 5806721.

It is an arithmetic number, because the mean of its divisors is an integer number (35689658670).

Almost surely, 2^685000007535 is an apocalyptic number.

685000007535 is a deficient number, since it is larger than the sum of its proper divisors (457069069905).

685000007535 is a wasteful number, since it uses less digits than its factorization.

685000007535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494427.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 685000007535 in words is "six hundred eighty-five billion, seven thousand, five hundred thirty-five".