8735420688 has 20 divisors (see below), whose sum is σ = 22566503568. Its totient is φ = 2911806880.

The previous prime is 8735420657. The next prime is 8735420693. The reversal of 8735420688 is 8860245378.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8735420688.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90993918 + ... + 90994013.

Almost surely, 2^8735420688 is an apocalyptic number.

It is an amenable number.

8735420688 is an abundant number, since it is smaller than the sum of its proper divisors (13831082880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8735420688 is a wasteful number, since it uses less digits than its factorization.

8735420688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181987942 (or 181987936 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 8735420688 is about 93463.4724798945. The cubic root of 8735420688 is about 2059.4975278703.

The spelling of 8735420688 in words is "eight billion, seven hundred thirty-five million, four hundred twenty thousand, six hundred eighty-eight".