8472776085 has 24 divisors (see below), whose sum is σ = 14690908440. Its totient is φ = 4517348352.

The previous prime is 8472776017. The next prime is 8472776089. The reversal of 8472776085 is 5806772748.

It is a happy number.

8472776085 is a `hidden beast` number, since 8 + 4 + 7 + 27 + 7 + 608 + 5 = 666.

8472776085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1932657444 + 6540118641 = 43962^2 + 80871^2 .

It is not a de Polignac number, because 8472776085 - 2⁹ = 8472775573 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472776089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117661 + ... + 175469.

It is an arithmetic number, because the mean of its divisors is an integer number (612121185).

Almost surely, 2^8472776085 is an apocalyptic number.

It is an amenable number.

8472776085 is a deficient number, since it is larger than the sum of its proper divisors (6218132355).

8472776085 is a wasteful number, since it uses less digits than its factorization.

8472776085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61077 (or 61074 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 8472776085 is about 92047.6837568442. The cubic root of 8472776085 is about 2038.6464240206.

The spelling of 8472776085 in words is "eight billion, four hundred seventy-two million, seven hundred seventy-six thousand, eighty-five".