8778324672 has 448 divisors, whose sum is σ = 29665574400. Its totient is φ = 2523156480.

The previous prime is 8778324649. The next prime is 8778324683. The reversal of 8778324672 is 2764238778.

8778324672 is a `hidden beast` number, since 87 + 78 + 32 + 467 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55912818 + ... + 55912974.

It is an arithmetic number, because the mean of its divisors is an integer number (66217800).

Almost surely, 2^8778324672 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 8778324672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14832787200).

8778324672 is an abundant number, since it is smaller than the sum of its proper divisors (20887249728).

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

8778324672 is a wasteful number, since it uses less digits than its factorization.

8778324672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 325 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 8778324672 is about 93692.7140817257. The cubic root of 8778324672 is about 2062.8637607658.

The spelling of 8778324672 in words is "eight billion, seven hundred seventy-eight million, three hundred twenty-four thousand, six hundred seventy-two".