85052287649 has 16 divisors (see below), whose sum is σ = 99843936000. Its totient is φ = 70921531584.

The previous prime is 85052287601. The next prime is 85052287669. The reversal of 85052287649 is 94678225058.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85052287649 - 2¹² = 85052283553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85052287594 and 85052287603.

It is not an unprimeable number, because it can be changed into a prime (85052287669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208047 + ... + 2246235.

It is an arithmetic number, because the mean of its divisors is an integer number (6240246000).

Almost surely, 2^85052287649 is an apocalyptic number.

It is an amenable number.

85052287649 is a deficient number, since it is larger than the sum of its proper divisors (14791648351).

85052287649 is a wasteful number, since it uses less digits than its factorization.

85052287649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46832.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 85052287649 in words is "eighty-five billion, fifty-two million, two hundred eighty-seven thousand, six hundred forty-nine".