6485077872 has 540 divisors, whose sum is σ = 24331802040. Its totient is φ = 1593768960.

The previous prime is 6485077867. The next prime is 6485077883. The reversal of 6485077872 is 2787705846.

It is a happy number.

6485077872 is a `hidden beast` number, since 64 + 8 + 507 + 7 + 8 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 106312722 + ... + 106312782.

Almost surely, 2^6485077872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6485077872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12165901020).

6485077872 is an abundant number, since it is smaller than the sum of its proper divisors (17846724168).

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

6485077872 is a wasteful number, since it uses less digits than its factorization.

6485077872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 6485077872 is about 80529.9811995508. The cubic root of 6485077872 is about 1864.8263557133.

The spelling of 6485077872 in words is "six billion, four hundred eighty-five million, seventy-seven thousand, eight hundred seventy-two".