8712778466832 has 160 divisors (see below), whose sum is σ = 26334191646720. Its totient is φ = 2454082076160.

The previous prime is 8712778466831. The next prime is 8712778466879. The reversal of 8712778466832 is 2386648772178.

It is a super-3 number, since 3×8712778466832³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8712778466831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7661688 + ... + 8725079.

It is an arithmetic number, because the mean of its divisors is an integer number (164588697792).

Almost surely, 2^{8712778466832} is an apocalyptic number.

It is an amenable number.

8712778466832 is an abundant number, since it is smaller than the sum of its proper divisors (17621413179888).

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

8712778466832 is a wasteful number, since it uses less digits than its factorization.

8712778466832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386861 (or 16386855 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 69.

The spelling of 8712778466832 in words is "eight trillion, seven hundred twelve billion, seven hundred seventy-eight million, four hundred sixty-six thousand, eight hundred thirty-two".