487641915 has 12 divisors (see below), whose sum is σ = 845246064. Its totient is φ = 260075664.

The previous prime is 487641899. The next prime is 487641919. The reversal of 487641915 is 519146784.

It is not a de Polignac number, because 487641915 - 2⁴ = 487641899 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10836487 = 487641915 / (4 + 8 + 7 + 6 + 4 + 1 + 9 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (487641919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5418199 + ... + 5418288.

It is an arithmetic number, because the mean of its divisors is an integer number (70437172).

Almost surely, 2^487641915 is an apocalyptic number.

487641915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

487641915 is a deficient number, since it is larger than the sum of its proper divisors (357604149).

487641915 is a wasteful number, since it uses less digits than its factorization.

487641915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836498 (or 10836495 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 487641915 is about 22082.6156738734. The cubic root of 487641915 is about 787.1068211131.

The spelling of 487641915 in words is "four hundred eighty-seven million, six hundred forty-one thousand, nine hundred fifteen".