6469972878006 has 96 divisors (see below), whose sum is σ = 15861484937376. Its totient is φ = 1888721280000.

The previous prime is 6469972877999. The next prime is 6469972878029. The reversal of 6469972878006 is 6008782799646.

6469972878006 is a `hidden beast` number, since 6 + 469 + 9 + 7 + 2 + 87 + 80 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3632115 + ... + 5111966.

It is an arithmetic number, because the mean of its divisors is an integer number (165223801431).

Almost surely, 2^{6469972878006} is an apocalyptic number.

6469972878006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6469972878006 is an abundant number, since it is smaller than the sum of its proper divisors (9391512059370).

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

6469972878006 is a wasteful number, since it uses less digits than its factorization.

6469972878006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744238 (or 8744235 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 72.

The spelling of 6469972878006 in words is "six trillion, four hundred sixty-nine billion, nine hundred seventy-two million, eight hundred seventy-eight thousand, six".