85506745 has 16 divisors (see below), whose sum is σ = 108360000. Its totient is φ = 64594368.

The previous prime is 85506737. The next prime is 85506793. The reversal of 85506745 is 54760558.

It is a cyclic number.

It is not a de Polignac number, because 85506745 - 2³ = 85506737 is a prime.

It is a super-2 number, since 2×85506745² = 14622806880990050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85506698 and 85506707.

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, 31866 + ... + 34444.

It is an arithmetic number, because the mean of its divisors is an integer number (6772500).

Almost surely, 2^85506745 is an apocalyptic number.

It is an amenable number.

85506745 is a deficient number, since it is larger than the sum of its proper divisors (22853255).

85506745 is a wasteful number, since it uses less digits than its factorization.

85506745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 85506745 is about 9246.9857250890. The cubic root of 85506745 is about 440.5549901008.

The spelling of 85506745 in words is "eighty-five million, five hundred six thousand, seven hundred forty-five".