485877947 has 4 divisors (see below), whose sum is σ = 490887096. Its totient is φ = 480868800.

The previous prime is 485877923. The next prime is 485877949. The reversal of 485877947 is 749778584.

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

It is a cyclic number.

It is not a de Polignac number, because 485877947 - 2¹² = 485873851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485877949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504429 + ... + 2504622.

It is an arithmetic number, because the mean of its divisors is an integer number (122721774).

Almost surely, 2^485877947 is an apocalyptic number.

485877947 is a deficient number, since it is larger than the sum of its proper divisors (5009149).

485877947 is an equidigital number, since it uses as much as digits as its factorization.

485877947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009148.

The product of its digits is 15805440, while the sum is 59.

The square root of 485877947 is about 22042.6392929703. The cubic root of 485877947 is about 786.1565960137.

The spelling of 485877947 in words is "four hundred eighty-five million, eight hundred seventy-seven thousand, nine hundred forty-seven".