8863130640 has 960 divisors, whose sum is σ = 37643304960. Its totient is φ = 1682104320.

The previous prime is 8863130567. The next prime is 8863130641. The reversal of 8863130640 is 460313688.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (8863130641) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 167228854 + ... + 167228906.

It is an arithmetic number, because the mean of its divisors is an integer number (39211776).

Almost surely, 2^8863130640 is an apocalyptic number.

8863130640 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 8863130640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18821652480).

8863130640 is an abundant number, since it is smaller than the sum of its proper divisors (28780174320).

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

8863130640 is a wasteful number, since it uses less digits than its factorization.

8863130640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 8863130640 is about 94144.2013084184. The cubic root of 8863130640 is about 2069.4854797199.

The spelling of 8863130640 in words is "eight billion, eight hundred sixty-three million, one hundred thirty thousand, six hundred forty".