6478618548 has 24 divisors (see below), whose sum is σ = 15119177920. Its totient is φ = 2159196480.

The previous prime is 6478618547. The next prime is 6478618561. The reversal of 6478618548 is 8458168746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478618547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42633 + ... + 121551.

Almost surely, 2^6478618548 is an apocalyptic number.

It is an amenable number.

6478618548 is an abundant number, since it is smaller than the sum of its proper divisors (8640559372).

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

6478618548 is a wasteful number, since it uses less digits than its factorization.

6478618548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85767 (or 85765 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The square root of 6478618548 is about 80489.8661199036. The cubic root of 6478618548 is about 1864.2070098183.

The spelling of 6478618548 in words is "six billion, four hundred seventy-eight million, six hundred eighteen thousand, five hundred forty-eight".