85665201357 has 8 divisors (see below), whose sum is σ = 115784929984. Its totient is φ = 56327803488.

The previous prime is 85665201341. The next prime is 85665201361. The reversal of 85665201357 is 75310256658.

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

It is not a de Polignac number, because 85665201357 - 2⁴ = 85665201341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85665201317) 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, 195582433 + ... + 195582870.

It is an arithmetic number, because the mean of its divisors is an integer number (14473116248).

Almost surely, 2^85665201357 is an apocalyptic number.

It is an amenable number.

85665201357 is a deficient number, since it is larger than the sum of its proper divisors (30119728627).

85665201357 is a wasteful number, since it uses less digits than its factorization.

85665201357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391165379.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 85665201357 in words is "eighty-five billion, six hundred sixty-five million, two hundred one thousand, three hundred fifty-seven".