85485773765 has 16 divisors (see below), whose sum is σ = 117290955648. Its totient is φ = 58592154816.

The previous prime is 85485773749. The next prime is 85485773831. The reversal of 85485773765 is 56737758458.

It is a cyclic number.

It is not a de Polignac number, because 85485773765 - 2⁴ = 85485773749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477242 + ... + 631451.

It is an arithmetic number, because the mean of its divisors is an integer number (7330684728).

Almost surely, 2^85485773765 is an apocalyptic number.

It is an amenable number.

85485773765 is a deficient number, since it is larger than the sum of its proper divisors (31805181883).

85485773765 is a wasteful number, since it uses less digits than its factorization.

85485773765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110908.

The product of its digits is 197568000, while the sum is 65.

The spelling of 85485773765 in words is "eighty-five billion, four hundred eighty-five million, seven hundred seventy-three thousand, seven hundred sixty-five".