8784774081 has 20 divisors (see below), whose sum is σ = 13130145600. Its totient is φ = 5853297816.

The previous prime is 8784774073. The next prime is 8784774121. The reversal of 8784774081 is 1804774878.

It is not a de Polignac number, because 8784774081 - 2³ = 8784774073 is a prime.

It is a super-2 number, since 2×8784774081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8784774071) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 123340 + ... + 181058.

It is an arithmetic number, because the mean of its divisors is an integer number (656507280).

Almost surely, 2^8784774081 is an apocalyptic number.

8784774081 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8784774081 is a deficient number, since it is larger than the sum of its proper divisors (4345371519).

8784774081 is a wasteful number, since it uses less digits than its factorization.

8784774081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59610 (or 59601 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 54.

The square root of 8784774081 is about 93727.1256414065. The cubic root of 8784774081 is about 2063.3688303826.

The spelling of 8784774081 in words is "eight billion, seven hundred eighty-four million, seven hundred seventy-four thousand, eighty-one".