487373557 has 4 divisors (see below), whose sum is σ = 531680256. Its totient is φ = 443066860.

The previous prime is 487373521. The next prime is 487373641. The reversal of 487373557 is 755373784.

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 a de Polignac number, because none of the positive numbers 2^k-487373557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487373557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487373857) 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, 22153333 + ... + 22153354.

It is an arithmetic number, because the mean of its divisors is an integer number (132920064).

Almost surely, 2^487373557 is an apocalyptic number.

It is an amenable number.

487373557 is a deficient number, since it is larger than the sum of its proper divisors (44306699).

487373557 is a wasteful number, since it uses less digits than its factorization.

487373557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44306698.

The product of its digits is 2469600, while the sum is 49.

The square root of 487373557 is about 22076.5386100267. The cubic root of 487373557 is about 786.9624083347.

The spelling of 487373557 in words is "four hundred eighty-seven million, three hundred seventy-three thousand, five hundred fifty-seven".