8488020465 has 12 divisors (see below), whose sum is σ = 14712568884. Its totient is φ = 4526944224.

The previous prime is 8488020383. The next prime is 8488020467. The reversal of 8488020465 is 5640208848.

8488020465 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 2616936336 + 5871084129 = 51156^2 + 76623^2 .

It is not a de Polignac number, because 8488020465 - 2²³ = 8479631857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 188622677 = 8488020465 / (8 + 4 + 8 + 8 + 0 + 2 + 0 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 8488020465.

It is not an unprimeable number, because it can be changed into a prime (8488020467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94311294 + ... + 94311383.

It is an arithmetic number, because the mean of its divisors is an integer number (1226047407).

Almost surely, 2^8488020465 is an apocalyptic number.

It is an amenable number.

8488020465 is a deficient number, since it is larger than the sum of its proper divisors (6224548419).

8488020465 is a wasteful number, since it uses less digits than its factorization.

8488020465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188622688 (or 188622685 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 8488020465 is about 92130.4535156536. The cubic root of 8488020465 is about 2039.8683486263.

The spelling of 8488020465 in words is "eight billion, four hundred eighty-eight million, twenty thousand, four hundred sixty-five".