85649706755 has 16 divisors (see below), whose sum is σ = 104557340160. Its totient is φ = 67335430368.

The previous prime is 85649706749. The next prime is 85649706767. The reversal of 85649706755 is 55760794658.

It is a cyclic number.

It is not a de Polignac number, because 85649706755 - 2¹² = 85649702659 is a prime.

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, 843764 + ... + 939806.

It is an arithmetic number, because the mean of its divisors is an integer number (6534833760).

Almost surely, 2^85649706755 is an apocalyptic number.

85649706755 is a deficient number, since it is larger than the sum of its proper divisors (18907633405).

85649706755 is a wasteful number, since it uses less digits than its factorization.

85649706755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99130.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 85649706755 in words is "eighty-five billion, six hundred forty-nine million, seven hundred six thousand, seven hundred fifty-five".