685225882 has 16 divisors (see below), whose sum is σ = 1140285600. Its totient is φ = 306186640.

The previous prime is 685225859. The next prime is 685225927. The reversal of 685225882 is 288522586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262657 + ... + 265252.

It is an arithmetic number, because the mean of its divisors is an integer number (71267850).

Almost surely, 2^685225882 is an apocalyptic number.

685225882 is a deficient number, since it is larger than the sum of its proper divisors (455059718).

685225882 is a wasteful number, since it uses less digits than its factorization.

685225882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527981.

The product of its digits is 614400, while the sum is 46.

The square root of 685225882 is about 26176.8195547129. The cubic root of 685225882 is about 881.6128659932.

The spelling of 685225882 in words is "six hundred eighty-five million, two hundred twenty-five thousand, eight hundred eighty-two".