8645469387 has 8 divisors (see below), whose sum is σ = 11808446160. Its totient is φ = 5623069440.

The previous prime is 8645469347. The next prime is 8645469389. The reversal of 8645469387 is 7839645468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8645469387 - 2¹¹ = 8645467339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8645469387.

It is not an unprimeable number, because it can be changed into a prime (8645469389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35144062 + ... + 35144307.

It is an arithmetic number, because the mean of its divisors is an integer number (1476055770).

Almost surely, 2^8645469387 is an apocalyptic number.

8645469387 is a deficient number, since it is larger than the sum of its proper divisors (3162976773).

8645469387 is a wasteful number, since it uses less digits than its factorization.

8645469387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70288413.

The product of its digits is 34836480, while the sum is 60.

The square root of 8645469387 is about 92981.0162721402. The cubic root of 8645469387 is about 2052.4040317263.

The spelling of 8645469387 in words is "eight billion, six hundred forty-five million, four hundred sixty-nine thousand, three hundred eighty-seven".