3865669488 has 40 divisors (see below), whose sum is σ = 11095904400. Its totient is φ = 1288556352.

The previous prime is 3865669477. The next prime is 3865669517. The reversal of 3865669488 is 8849665683.

3865669488 is a `hidden beast` number, since 38 + 65 + 6 + 69 + 488 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4473723 + ... + 4474586.

It is an arithmetic number, because the mean of its divisors is an integer number (277397610).

Almost surely, 2^3865669488 is an apocalyptic number.

It is an amenable number.

3865669488 is an abundant number, since it is smaller than the sum of its proper divisors (7230234912).

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

3865669488 is a wasteful number, since it uses less digits than its factorization.

3865669488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948326 (or 8948314 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 3865669488 is about 62174.5083454626. The cubic root of 3865669488 is about 1569.4286381579.

The spelling of 3865669488 in words is "three billion, eight hundred sixty-five million, six hundred sixty-nine thousand, four hundred eighty-eight".