487913957 has 4 divisors (see below), whose sum is σ = 516614796. Its totient is φ = 459213120.

The previous prime is 487913953. The next prime is 487913963. The reversal of 487913957 is 759319784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390418081 + 97495876 = 19759^2 + 9874^2 .

It is a cyclic number.

It is not a de Polignac number, because 487913957 - 2² = 487913953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487913899 and 487913908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487913953) 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, 14350394 + ... + 14350427.

It is an arithmetic number, because the mean of its divisors is an integer number (129153699).

Almost surely, 2^487913957 is an apocalyptic number.

It is an amenable number.

487913957 is a deficient number, since it is larger than the sum of its proper divisors (28700839).

487913957 is a wasteful number, since it uses less digits than its factorization.

487913957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28700838.

The product of its digits is 1905120, while the sum is 53.

The square root of 487913957 is about 22088.7744567235. The cubic root of 487913957 is about 787.2531623123.

The spelling of 487913957 in words is "four hundred eighty-seven million, nine hundred thirteen thousand, nine hundred fifty-seven".