685064102 has 32 divisors (see below), whose sum is σ = 1093407744. Its totient is φ = 321343200.

The previous prime is 685064041. The next prime is 685064111. The reversal of 685064102 is 201460586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199477 + ... + 1200047.

It is an arithmetic number, because the mean of its divisors is an integer number (34168992).

Almost surely, 2^685064102 is an apocalyptic number.

685064102 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

685064102 is a deficient number, since it is larger than the sum of its proper divisors (408343642).

685064102 is a wasteful number, since it uses less digits than its factorization.

685064102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 685064102 is about 26173.7292337183. The cubic root of 685064102 is about 881.5434783848.

The spelling of 685064102 in words is "six hundred eighty-five million, sixty-four thousand, one hundred two".