487361869 has 4 divisors (see below), whose sum is σ = 489401280. Its totient is φ = 485322460.

The previous prime is 487361857. The next prime is 487361873. The reversal of 487361869 is 968163784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487361869 - 2¹⁹ = 486837581 is a prime.

It is a super-2 number, since 2×487361869² = 475043182710346322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487361839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019347 + ... + 1019824.

It is an arithmetic number, because the mean of its divisors is an integer number (122350320).

Almost surely, 2^487361869 is an apocalyptic number.

It is an amenable number.

487361869 is a deficient number, since it is larger than the sum of its proper divisors (2039411).

487361869 is a wasteful number, since it uses less digits than its factorization.

487361869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039410.

The product of its digits is 1741824, while the sum is 52.

The square root of 487361869 is about 22076.2738930282. The cubic root of 487361869 is about 786.9561174106.

It can be divided in two parts, 48736 and 1869, that added together give a palindrome (50605).

The spelling of 487361869 in words is "four hundred eighty-seven million, three hundred sixty-one thousand, eight hundred sixty-nine".