485838979 has 4 divisors (see below), whose sum is σ = 485981640. Its totient is φ = 485696320.

The previous prime is 485838929. The next prime is 485838989. The reversal of 485838979 is 979838584.

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 485838979 - 2²¹ = 483741827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485838919) 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, 66094 + ... + 73075.

It is an arithmetic number, because the mean of its divisors is an integer number (121495410).

Almost surely, 2^485838979 is an apocalyptic number.

485838979 is a deficient number, since it is larger than the sum of its proper divisors (142661).

485838979 is a wasteful number, since it uses less digits than its factorization.

485838979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142660.

The product of its digits is 17418240, while the sum is 61.

The square root of 485838979 is about 22041.7553520585. The cubic root of 485838979 is about 786.1355785480.

The spelling of 485838979 in words is "four hundred eighty-five million, eight hundred thirty-eight thousand, nine hundred seventy-nine".