6482661878 has 36 divisors (see below), whose sum is σ = 12433416156. Its totient is φ = 2525707800.

The previous prime is 6482661877. The next prime is 6482661883. The reversal of 6482661878 is 8781662846.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6482661877) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 261488 + ... + 285203.

It is an arithmetic number, because the mean of its divisors is an integer number (345372671).

Almost surely, 2^6482661878 is an apocalyptic number.

6482661878 is a deficient number, since it is larger than the sum of its proper divisors (5950754278).

6482661878 is a wasteful number, since it uses less digits than its factorization.

6482661878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546729 (or 546711 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The square root of 6482661878 is about 80514.9792150504. The cubic root of 6482661878 is about 1864.5947486824.

The spelling of 6482661878 in words is "six billion, four hundred eighty-two million, six hundred sixty-one thousand, eight hundred seventy-eight".