8899777956384 has 384 divisors, whose sum is σ = 30193909401600. Its totient is φ = 2497610142720.

The previous prime is 8899777956379. The next prime is 8899777956389. The reversal of 8899777956384 is 4836597779988.

8899777956384 is a `hidden beast` number, since 8 + 8 + 99 + 77 + 79 + 5 + 6 + 384 = 666.

It is an interprime number because it is at equal distance from previous prime (8899777956379) and next prime (8899777956389).

It is a junction number, because it is equal to n+sod(n) for n = 8899777956294 and 8899777956303.

It is not an unprimeable number, because it can be changed into a prime (8899777956389) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455664699 + ... + 455684229.

It is an arithmetic number, because the mean of its divisors is an integer number (78629972400).

Almost surely, 2^{8899777956384} is an apocalyptic number.

8899777956384 is a gapful number since it is divisible by the number (84) 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 8899777956384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15096954700800).

8899777956384 is an abundant number, since it is smaller than the sum of its proper divisors (21294131445216).

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

8899777956384 is a wasteful number, since it uses less digits than its factorization.

8899777956384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893 (or 20879 counting only the distinct ones).

The product of its digits is 46088663040, while the sum is 90.

The spelling of 8899777956384 in words is "eight trillion, eight hundred ninety-nine billion, seven hundred seventy-seven million, nine hundred fifty-six thousand, three hundred eighty-four".