6478228746 has 32 divisors (see below), whose sum is σ = 15704798400. Its totient is φ = 1963099440.

The previous prime is 6478228703. The next prime is 6478228747.

It is a happy number.

6478228746 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6478228692 and 6478228701.

It is not an unprimeable number, because it can be changed into a prime (6478228747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5452461 + ... + 5453648.

It is an arithmetic number, because the mean of its divisors is an integer number (490774950).

Almost surely, 2^6478228746 is an apocalyptic number.

6478228746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6478228746 is an abundant number, since it is smaller than the sum of its proper divisors (9226569654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6478228746 is a wasteful number, since it uses less digits than its factorization.

6478228746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906131 (or 10906125 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The square root of 6478228746 is about 80487.4446482183. Note that the first 3 decimals coincide. The cubic root of 6478228746 is about 1864.1696208703.

It can be divided in two parts, 64782 and 28746, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 6478228746 in words is "six billion, four hundred seventy-eight million, two hundred twenty-eight thousand, seven hundred forty-six".