6480807956 has 12 divisors (see below), whose sum is σ = 12961615968. Its totient is φ = 2777489112.

The previous prime is 6480807953. The next prime is 6480808067. The reversal of 6480807956 is 6597080846.

6480807956 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6480807898 and 6480807907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480807953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115728686 + ... + 115728741.

It is an arithmetic number, because the mean of its divisors is an integer number (1080134664).

Almost surely, 2^6480807956 is an apocalyptic number.

It is an amenable number.

6480807956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6480807956 is a wasteful number, since it uses less digits than its factorization.

6480807956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231457438 (or 231457436 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 6480807956 is about 80503.4654906234. The cubic root of 6480807956 is about 1864.4169851406.

The spelling of 6480807956 in words is "six billion, four hundred eighty million, eight hundred seven thousand, nine hundred fifty-six".