8424779451 has 32 divisors (see below), whose sum is σ = 12368049408. Its totient is φ = 5058723840.

The previous prime is 8424779443. The next prime is 8424779477. The reversal of 8424779451 is 1549774248.

It is not a de Polignac number, because 8424779451 - 2³ = 8424779443 is a prime.

It is a super-2 number, since 2×8424779451² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8424779394 and 8424779403.

It is not an unprimeable number, because it can be changed into a prime (8424779351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1634260 + ... + 1639406.

It is an arithmetic number, because the mean of its divisors is an integer number (386501544).

Almost surely, 2^8424779451 is an apocalyptic number.

8424779451 is a deficient number, since it is larger than the sum of its proper divisors (3943269957).

8424779451 is a wasteful number, since it uses less digits than its factorization.

8424779451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its digits is 2257920, while the sum is 51.

The square root of 8424779451 is about 91786.5973386093. The cubic root of 8424779451 is about 2034.7896198833.

The spelling of 8424779451 in words is "eight billion, four hundred twenty-four million, seven hundred seventy-nine thousand, four hundred fifty-one".