8722463400 has 768 divisors, whose sum is σ = 36336960000. Its totient is φ = 1881169920.

The previous prime is 8722463389. The next prime is 8722463461. The reversal of 8722463400 is 43642278.

8722463400 is a `hidden beast` number, since 8 + 7 + 2 + 246 + 3 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 80022546 + ... + 80022654.

It is an arithmetic number, because the mean of its divisors is an integer number (47313750).

Almost surely, 2^8722463400 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 8722463400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18168480000).

8722463400 is an abundant number, since it is smaller than the sum of its proper divisors (27614496600).

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

8722463400 is a wasteful number, since it uses less digits than its factorization.

8722463400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 8722463400 is about 93394.1293658226. The cubic root of 8722463400 is about 2058.4787367255.

The spelling of 8722463400 in words is "eight billion, seven hundred twenty-two million, four hundred sixty-three thousand, four hundred".