487805969 has 8 divisors (see below), whose sum is σ = 559048320. Its totient is φ = 416952576.

The previous prime is 487805947. The next prime is 487806001. The reversal of 487805969 is 969508784.

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 487805969 - 2²⁸ = 219370513 is a prime.

It is a super-2 number, since 2×487805969² = 475909326784057922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487802969) 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, 94544 + ... + 99569.

It is an arithmetic number, because the mean of its divisors is an integer number (69881040).

Almost surely, 2^487805969 is an apocalyptic number.

It is an amenable number.

487805969 is a deficient number, since it is larger than the sum of its proper divisors (71242351).

487805969 is a wasteful number, since it uses less digits than its factorization.

487805969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194479.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 487805969 is about 22086.3299124141. The cubic root of 487805969 is about 787.1950781863.

The spelling of 487805969 in words is "four hundred eighty-seven million, eight hundred five thousand, nine hundred sixty-nine".