8054816985 has 24 divisors (see below), whose sum is σ = 14478784320. Its totient is φ = 4295901744.

The previous prime is 8054816981. The next prime is 8054816993. The reversal of 8054816985 is 5896184508.

It is a happy number.

8054816985 is a `hidden beast` number, since 8 + 0 + 548 + 1 + 6 + 98 + 5 = 666.

It is not a de Polignac number, because 8054816985 - 2² = 8054816981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8054816981) 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, 3313525 + ... + 3315954.

It is an arithmetic number, because the mean of its divisors is an integer number (603282680).

Almost surely, 2^8054816985 is an apocalyptic number.

It is an amenable number.

8054816985 is a deficient number, since it is larger than the sum of its proper divisors (6423967335).

8054816985 is an equidigital number, since it uses as much as digits as its factorization.

8054816985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629499 (or 6629487 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 8054816985 is about 89748.6322179898. The cubic root of 8054816985 is about 2004.5576879341.

The spelling of 8054816985 in words is "eight billion, fifty-four million, eight hundred sixteen thousand, nine hundred eighty-five".