8391700485 has 48 divisors (see below), whose sum is σ = 16636523904. Its totient is φ = 3833214336.

The previous prime is 8391700483. The next prime is 8391700511. The reversal of 8391700485 is 5840071938.

8391700485 is a `hidden beast` number, since 83 + 91 + 7 + 0 + 0 + 485 = 666.

It is not a de Polignac number, because 8391700485 - 2¹ = 8391700483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8391700485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8391700481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422794 + ... + 442196.

It is an arithmetic number, because the mean of its divisors is an integer number (346594248).

Almost surely, 2^8391700485 is an apocalyptic number.

It is an amenable number.

8391700485 is a deficient number, since it is larger than the sum of its proper divisors (8244823419).

8391700485 is a wasteful number, since it uses less digits than its factorization.

8391700485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20794 (or 20791 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 8391700485 is about 91606.2251432729. The cubic root of 8391700485 is about 2032.1230012040.

The spelling of 8391700485 in words is "eight billion, three hundred ninety-one million, seven hundred thousand, four hundred eighty-five".