499785314427 has 256 divisors, whose sum is σ = 953204736000. Its totient is φ = 255545176320.

The previous prime is 499785314387. The next prime is 499785314453. The reversal of 499785314427 is 724413587994.

499785314427 is a `hidden beast` number, since 4 + 9 + 9 + 78 + 531 + 4 + 4 + 27 = 666.

It is not a de Polignac number, because 499785314427 - 2¹⁰ = 499785313403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (499785314627) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 387730399 + ... + 387731687.

It is an arithmetic number, because the mean of its divisors is an integer number (3723456000).

Almost surely, 2^499785314427 is an apocalyptic number.

499785314427 is a deficient number, since it is larger than the sum of its proper divisors (453419421573).

499785314427 is a wasteful number, since it uses less digits than its factorization.

499785314427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1392 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 499785314427 in words is "four hundred ninety-nine billion, seven hundred eighty-five million, three hundred fourteen thousand, four hundred twenty-seven".