85645416238 has 8 divisors (see below), whose sum is σ = 131455755288. Its totient is φ = 41826831144.

The previous prime is 85645416217. The next prime is 85645416251. The reversal of 85645416238 is 83261454658.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497938381 + ... + 497938552.

It is an arithmetic number, because the mean of its divisors is an integer number (16431969411).

Almost surely, 2^85645416238 is an apocalyptic number.

85645416238 is a deficient number, since it is larger than the sum of its proper divisors (45810339050).

85645416238 is a wasteful number, since it uses less digits than its factorization.

85645416238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995876978.

The product of its digits is 5529600, while the sum is 52.

The spelling of 85645416238 in words is "eighty-five billion, six hundred forty-five million, four hundred sixteen thousand, two hundred thirty-eight".