85065548904 has 96 divisors (see below), whose sum is σ = 263416533120. Its totient is φ = 24293513088.

The previous prime is 85065548903. The next prime is 85065548929. The reversal of 85065548904 is 40984556058.

85065548904 is a `hidden beast` number, since 8 + 5 + 0 + 6 + 5 + 548 + 90 + 4 = 666.

It is a super-2 number, since 2×85065548904² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85065548903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1118869 + ... + 1192475.

It is an arithmetic number, because the mean of its divisors is an integer number (2743922220).

Almost surely, 2^85065548904 is an apocalyptic number.

85065548904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

85065548904 is an abundant number, since it is smaller than the sum of its proper divisors (178350984216).

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

85065548904 is a wasteful number, since it uses less digits than its factorization.

85065548904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75919 (or 75912 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 85065548904 in words is "eighty-five billion, sixty-five million, five hundred forty-eight thousand, nine hundred four".