85565435304 has 32 divisors (see below), whose sum is σ = 216621360000. Its totient is φ = 28160775552.

The previous prime is 85565435273. The next prime is 85565435359. The reversal of 85565435304 is 40353456558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22562829 + ... + 22566620.

It is an arithmetic number, because the mean of its divisors is an integer number (6769417500).

Almost surely, 2^85565435304 is an apocalyptic number.

It is an amenable number.

85565435304 is an abundant number, since it is smaller than the sum of its proper divisors (131055924696).

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

85565435304 is a wasteful number, since it uses less digits than its factorization.

85565435304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45129537 (or 45129533 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 85565435304 in words is "eighty-five billion, five hundred sixty-five million, four hundred thirty-five thousand, three hundred four".