487442357 has 4 divisors (see below), whose sum is σ = 503166336. Its totient is φ = 471718380.

The previous prime is 487442327. The next prime is 487442369. The reversal of 487442357 is 753244784.

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 487442357 - 2⁸ = 487442101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861943 + ... + 7862004.

It is an arithmetic number, because the mean of its divisors is an integer number (125791584).

Almost surely, 2^487442357 is an apocalyptic number.

It is an amenable number.

487442357 is a deficient number, since it is larger than the sum of its proper divisors (15723979).

487442357 is a wasteful number, since it uses less digits than its factorization.

487442357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723978.

The product of its digits is 752640, while the sum is 44.

The square root of 487442357 is about 22078.0967703287. The cubic root of 487442357 is about 786.9994370611. Note that the first 3 decimals are identical.

The spelling of 487442357 in words is "four hundred eighty-seven million, four hundred forty-two thousand, three hundred fifty-seven".