8241778611 has 12 divisors (see below), whose sum is σ = 12987045240. Its totient is φ = 4995017280.

The previous prime is 8241778583. The next prime is 8241778651. The reversal of 8241778611 is 1168771428.

8241778611 is a `hidden beast` number, since 8 + 24 + 1 + 7 + 7 + 8 + 611 = 666.

It is not a de Polignac number, because 8241778611 - 2⁶ = 8241778547 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8241778651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41625046 + ... + 41625243.

It is an arithmetic number, because the mean of its divisors is an integer number (1082253770).

Almost surely, 2^8241778611 is an apocalyptic number.

8241778611 is a deficient number, since it is larger than the sum of its proper divisors (4745266629).

8241778611 is a wasteful number, since it uses less digits than its factorization.

8241778611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83250306 (or 83250303 counting only the distinct ones).

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

The square root of 8241778611 is about 90784.2420852870. The cubic root of 8241778611 is about 2019.9485830621.

It can be divided in two parts, 82417 and 78611, that added together give a triangular number (161028 = T₅₆₇).

The spelling of 8241778611 in words is "eight billion, two hundred forty-one million, seven hundred seventy-eight thousand, six hundred eleven".