85085465847 has 32 divisors (see below), whose sum is σ = 120857425920. Its totient is φ = 53092454400.

The previous prime is 85085465821. The next prime is 85085465891. The reversal of 85085465847 is 74856458058.

It is not a de Polignac number, because 85085465847 - 2³⁶ = 16365989111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85085465807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3265722 + ... + 3291672.

It is an arithmetic number, because the mean of its divisors is an integer number (3776794560).

Almost surely, 2^85085465847 is an apocalyptic number.

85085465847 is a deficient number, since it is larger than the sum of its proper divisors (35771960073).

85085465847 is a wasteful number, since it uses less digits than its factorization.

85085465847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26663.

The product of its (nonzero) digits is 43008000, while the sum is 60.

The spelling of 85085465847 in words is "eighty-five billion, eighty-five million, four hundred sixty-five thousand, eight hundred forty-seven".