8487372789 has 96 divisors (see below), whose sum is σ = 15352463360. Its totient is φ = 4408992000.

The previous prime is 8487372781. The next prime is 8487372793. The reversal of 8487372789 is 9872737848.

8487372789 is a `hidden beast` number, since 8 + 487 + 3 + 72 + 7 + 89 = 666.

It is not a de Polignac number, because 8487372789 - 2³ = 8487372781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487372781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4711689 + ... + 4713489.

Almost surely, 2^8487372789 is an apocalyptic number.

It is an amenable number.

8487372789 is a deficient number, since it is larger than the sum of its proper divisors (6865090571).

8487372789 is a wasteful number, since it uses less digits than its factorization.

8487372789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1988 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The square root of 8487372789 is about 92126.9384545042. The cubic root of 8487372789 is about 2039.8164634475.

The spelling of 8487372789 in words is "eight billion, four hundred eighty-seven million, three hundred seventy-two thousand, seven hundred eighty-nine".