6378897424 has 45 divisors (see below), whose sum is σ = 12693973341. Its totient is φ = 3105267840.

The previous prime is 6378897409. The next prime is 6378897509. The reversal of 6378897424 is 4247988736.

The square root of 6378897424 is 79868.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 307371024 + 6071526400 = 17532^2 + 77920^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13098109 + ... + 13098595.

Almost surely, 2^6378897424 is an apocalyptic number.

6378897424 is the 79868-th square number.

It is an amenable number.

6378897424 is a deficient number, since it is larger than the sum of its proper divisors (6315075917).

6378897424 is an frugal number, since it uses more digits than its factorization.

6378897424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 530 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 58.

The cubic root of 6378897424 is about 1854.5926723138.

The spelling of 6378897424 in words is "six billion, three hundred seventy-eight million, eight hundred ninety-seven thousand, four hundred twenty-four".