487361947 has 4 divisors (see below), whose sum is σ = 487434376. Its totient is φ = 487289520.

The previous prime is 487361929. The next prime is 487361969. The reversal of 487361947 is 749163784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487361947 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 487361947.

It is not an unprimeable number, because it can be changed into a prime (487361047) 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, 24954 + ... + 39967.

It is an arithmetic number, because the mean of its divisors is an integer number (121858594).

Almost surely, 2^487361947 is an apocalyptic number.

487361947 is a deficient number, since it is larger than the sum of its proper divisors (72429).

487361947 is an equidigital number, since it uses as much as digits as its factorization.

487361947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72428.

The product of its digits is 1016064, while the sum is 49.

The square root of 487361947 is about 22076.2756596306. The cubic root of 487361947 is about 786.9561593935.

The spelling of 487361947 in words is "four hundred eighty-seven million, three hundred sixty-one thousand, nine hundred forty-seven".