685802127754 has 32 divisors (see below), whose sum is σ = 1069569639936. Its totient is φ = 329510623680.

The previous prime is 685802127733. The next prime is 685802127809. The reversal of 685802127754 is 457721208586.

It is a junction number, because it is equal to n+sod(n) for n = 685802127695 and 685802127704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21831399 + ... + 21862789.

It is an arithmetic number, because the mean of its divisors is an integer number (33424051248).

Almost surely, 2^685802127754 is an apocalyptic number.

685802127754 is a deficient number, since it is larger than the sum of its proper divisors (383767512182).

685802127754 is a wasteful number, since it uses less digits than its factorization.

685802127754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35070.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 685802127754 in words is "six hundred eighty-five billion, eight hundred two million, one hundred twenty-seven thousand, seven hundred fifty-four".