6478962988 has 48 divisors (see below), whose sum is σ = 12336710400. Its totient is φ = 2967382080.

The previous prime is 6478962953. The next prime is 6478963009. The reversal of 6478962988 is 8892698746.

It is a super-2 number, since 2×6478962988² = 83953922799747776288, which contains 22 as substring.

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, 261681 + ... + 285367.

It is an arithmetic number, because the mean of its divisors is an integer number (257014800).

Almost surely, 2^6478962988 is an apocalyptic number.

It is an amenable number.

6478962988 is a deficient number, since it is larger than the sum of its proper divisors (5857747412).

6478962988 is a wasteful number, since it uses less digits than its factorization.

6478962988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23830 (or 23828 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The square root of 6478962988 is about 80492.0057397006. The cubic root of 6478962988 is about 1864.2400464952.

The spelling of 6478962988 in words is "six billion, four hundred seventy-eight million, nine hundred sixty-two thousand, nine hundred eighty-eight".