8685428758 has 32 divisors (see below), whose sum is σ = 14037414048. Its totient is φ = 4015449600.

The previous prime is 8685428723. The next prime is 8685428767. The reversal of 8685428758 is 8578245868.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a junction number, because it is equal to n+sod(n) for n = 8685428696 and 8685428705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2198541 + ... + 2202487.

It is an arithmetic number, because the mean of its divisors is an integer number (438669189).

Almost surely, 2^8685428758 is an apocalyptic number.

8685428758 is a deficient number, since it is larger than the sum of its proper divisors (5351985290).

8685428758 is a wasteful number, since it uses less digits than its factorization.

8685428758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088.

The product of its digits is 34406400, while the sum is 61.

The square root of 8685428758 is about 93195.6477417267. The cubic root of 8685428758 is about 2055.5612438857.

The spelling of 8685428758 in words is "eight billion, six hundred eighty-five million, four hundred twenty-eight thousand, seven hundred fifty-eight".