6478314676 has 6 divisors (see below), whose sum is σ = 11337050690. Its totient is φ = 3239157336.

The previous prime is 6478314673. The next prime is 6478314691. The reversal of 6478314676 is 6764138746.

It can be written as a sum of positive squares in only one way, i.e., 6476064676 + 2250000 = 80474^2 + 1500^2 .

It is a super-2 number, since 2×6478314676² = 83937122082553969952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478314671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809789331 + ... + 809789338.

Almost surely, 2^6478314676 is an apocalyptic number.

It is an amenable number.

6478314676 is a deficient number, since it is larger than the sum of its proper divisors (4858736014).

6478314676 is a wasteful number, since it uses less digits than its factorization.

6478314676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619578673 (or 1619578671 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The square root of 6478314676 is about 80487.9784564130. The cubic root of 6478314676 is about 1864.1778632152.

The spelling of 6478314676 in words is "six billion, four hundred seventy-eight million, three hundred fourteen thousand, six hundred seventy-six".