8778618000 has 400 divisors, whose sum is σ = 31982286336. Its totient is φ = 2330467200.

The previous prime is 8778617999. The next prime is 8778618019. The reversal of 8778618000 is 8168778.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39365889 + ... + 39366111.

Almost surely, 2^8778618000 is an apocalyptic number.

8778618000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8778618000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15991143168).

8778618000 is an abundant number, since it is smaller than the sum of its proper divisors (23203668336).

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

8778618000 is an frugal number, since it uses more digits than its factorization.

8778618000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 8778618000 is about 93694.2794411697. The cubic root of 8778618000 is about 2062.8867373961.

The spelling of 8778618000 in words is "eight billion, seven hundred seventy-eight million, six hundred eighteen thousand".