85047645 has 32 divisors (see below), whose sum is σ = 140499072. Its totient is φ = 43898112.

The previous prime is 85047643. The next prime is 85047649. The reversal of 85047645 is 54674058.

It is not a de Polignac number, because 85047645 - 2¹ = 85047643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85047643) 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, 162354 + ... + 162876.

It is an arithmetic number, because the mean of its divisors is an integer number (4390596).

Almost surely, 2^85047645 is an apocalyptic number.

It is an amenable number.

85047645 is a deficient number, since it is larger than the sum of its proper divisors (55451427).

85047645 is a wasteful number, since it uses less digits than its factorization.

85047645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 85047645 is about 9222.1280082202. The cubic root of 85047645 is about 439.7651036161.

The spelling of 85047645 in words is "eighty-five million, forty-seven thousand, six hundred forty-five".