85655387 has 8 divisors (see below), whose sum is σ = 88553472. Its totient is φ = 82765800.

The previous prime is 85655377. The next prime is 85655393. The reversal of 85655387 is 78355658.

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

It is a cyclic number.

It is not a de Polignac number, because 85655387 - 2¹⁴ = 85639003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85655377) 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, 23438 + ... + 26844.

It is an arithmetic number, because the mean of its divisors is an integer number (11069184).

Almost surely, 2^85655387 is an apocalyptic number.

85655387 is a deficient number, since it is larger than the sum of its proper divisors (2898085).

85655387 is a wasteful number, since it uses less digits than its factorization.

85655387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249.

The product of its digits is 1008000, while the sum is 47.

The square root of 85655387 is about 9255.0195569756. The cubic root of 85655387 is about 440.8101242263.

The spelling of 85655387 in words is "eighty-five million, six hundred fifty-five thousand, three hundred eighty-seven".