784479283623 has 12 divisors (see below), whose sum is σ = 1295013420688. Its totient is φ = 448273876320.

The previous prime is 784479283613. The next prime is 784479283639. The reversal of 784479283623 is 326382974487.

784479283623 is a `hidden beast` number, since 7 + 8 + 447 + 92 + 83 + 6 + 23 = 666.

It is not a de Polignac number, because 784479283623 - 2²⁴ = 784462506407 is a prime.

It is a super-2 number, since 2×784479283623² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 12452052121 = 784479283623 / (7 + 8 + 4 + 4 + 7 + 9 + 2 + 8 + 3 + 6 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (784479283603) 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, 6226025998 + ... + 6226026123.

Almost surely, 2^784479283623 is an apocalyptic number.

784479283623 is a deficient number, since it is larger than the sum of its proper divisors (510534137065).

784479283623 is a wasteful number, since it uses less digits than its factorization.

784479283623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452052134 (or 12452052131 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 63.

The spelling of 784479283623 in words is "seven hundred eighty-four billion, four hundred seventy-nine million, two hundred eighty-three thousand, six hundred twenty-three".