85973945 has 8 divisors (see below), whose sum is σ = 103265280. Its totient is φ = 68714800.

The previous prime is 85973941. The next prime is 85973963. The reversal of 85973945 is 54937958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85973945 - 2² = 85973941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85973893 and 85973902.

It is not an unprimeable number, because it can be changed into a prime (85973941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (12908160).

Almost surely, 2^85973945 is an apocalyptic number.

It is an amenable number.

85973945 is a deficient number, since it is larger than the sum of its proper divisors (17291335).

85973945 is a wasteful number, since it uses less digits than its factorization.

85973945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16095.

The product of its digits is 1360800, while the sum is 50.

The square root of 85973945 is about 9272.2135976260. The cubic root of 85973945 is about 441.3559154242.

The spelling of 85973945 in words is "eighty-five million, nine hundred seventy-three thousand, nine hundred forty-five".