487834869 has 4 divisors (see below), whose sum is σ = 650446496. Its totient is φ = 325223244.

The previous prime is 487834859. The next prime is 487834877. The reversal of 487834869 is 968438784.

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 not a de Polignac number, because 487834869 - 2⁹ = 487834357 is a prime.

It is a super-2 number, since 2×487834869² = 475965718824494322, 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 (487834859) 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, 81305809 + ... + 81305814.

It is an arithmetic number, because the mean of its divisors is an integer number (162611624).

Almost surely, 2^487834869 is an apocalyptic number.

It is an amenable number.

487834869 is a deficient number, since it is larger than the sum of its proper divisors (162611627).

487834869 is a wasteful number, since it uses less digits than its factorization.

487834869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162611626.

The product of its digits is 9289728, while the sum is 57.

The square root of 487834869 is about 22086.9841535688. The cubic root of 487834869 is about 787.2106236354.

The spelling of 487834869 in words is "four hundred eighty-seven million, eight hundred thirty-four thousand, eight hundred sixty-nine".