485779431 has 8 divisors (see below), whose sum is σ = 648144000. Its totient is φ = 323633912.

The previous prime is 485779423. The next prime is 485779447. The reversal of 485779431 is 134977584.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 485779431 - 2³ = 485779423 is a prime.

It is a super-2 number, since 2×485779431² = 471963311165367522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485779531) 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 7 ways as a sum of consecutive naturals, for example, 49515 + ... + 58508.

It is an arithmetic number, because the mean of its divisors is an integer number (81018000).

Almost surely, 2^485779431 is an apocalyptic number.

485779431 is a deficient number, since it is larger than the sum of its proper divisors (162364569).

485779431 is a wasteful number, since it uses less digits than its factorization.

485779431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109525.

The product of its digits is 846720, while the sum is 48.

The square root of 485779431 is about 22040.4045108070. The cubic root of 485779431 is about 786.1034590487.

The spelling of 485779431 in words is "four hundred eighty-five million, seven hundred seventy-nine thousand, four hundred thirty-one".