3866487505 has 8 divisors (see below), whose sum is σ = 4640486400. Its totient is φ = 3092722416.

The previous prime is 3866487481. The next prime is 3866487509. The reversal of 3866487505 is 5057846683.

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

It is a cyclic number.

It is not a de Polignac number, because 3866487505 - 2¹⁷ = 3866356433 is a prime.

It is a super-2 number, since 2×3866487505² = 29899451252642250050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3866487509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19735 + ... + 90124.

It is an arithmetic number, because the mean of its divisors is an integer number (580060800).

Almost surely, 2^3866487505 is an apocalyptic number.

It is an amenable number.

3866487505 is a deficient number, since it is larger than the sum of its proper divisors (773998895).

3866487505 is a wasteful number, since it uses less digits than its factorization.

3866487505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116903.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The square root of 3866487505 is about 62181.0863928896. The cubic root of 3866487505 is about 1569.5393329776.

The spelling of 3866487505 in words is "three billion, eight hundred sixty-six million, four hundred eighty-seven thousand, five hundred five".