6471078845 has 16 divisors (see below), whose sum is σ = 9681406848. Its totient is φ = 4033919040.

The previous prime is 6471078833. The next prime is 6471078853. The reversal of 6471078845 is 5488701746.

It is a happy number.

It is not a de Polignac number, because 6471078845 - 2⁴ = 6471078829 is a prime.

It is a super-2 number, since 2×6471078845² = 83749722836413068050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6471078793 and 6471078802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8403614 + ... + 8404383.

It is an arithmetic number, because the mean of its divisors is an integer number (605087928).

Almost surely, 2^6471078845 is an apocalyptic number.

It is an amenable number.

6471078845 is a deficient number, since it is larger than the sum of its proper divisors (3210328003).

6471078845 is a wasteful number, since it uses less digits than its factorization.

6471078845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16808020.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 6471078845 is about 80443.0161356472. The cubic root of 6471078845 is about 1863.4835519211.

The spelling of 6471078845 in words is "six billion, four hundred seventy-one million, seventy-eight thousand, eight hundred forty-five".