487121957 has 8 divisors (see below), whose sum is σ = 558680256. Its totient is φ = 416056032.

The previous prime is 487121953. The next prime is 487121963. The reversal of 487121957 is 759121784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 487121957 - 2² = 487121953 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 (487121953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120968 + ... + 124929.

It is an arithmetic number, because the mean of its divisors is an integer number (69835032).

Almost surely, 2^487121957 is an apocalyptic number.

It is an amenable number.

487121957 is a deficient number, since it is larger than the sum of its proper divisors (71558299).

487121957 is a wasteful number, since it uses less digits than its factorization.

487121957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246187.

The product of its digits is 141120, while the sum is 44.

The square root of 487121957 is about 22070.8395173360. The cubic root of 487121957 is about 786.8269654625.

The spelling of 487121957 in words is "four hundred eighty-seven million, one hundred twenty-one thousand, nine hundred fifty-seven".