85655407 has 8 divisors (see below), whose sum is σ = 89414912. Its totient is φ = 81972000.

The previous prime is 85655399. The next prime is 85655411. The reversal of 85655407 is 70455658.

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 85655407 - 2³ = 85655399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85655407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85655417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16719 + ... + 21232.

It is an arithmetic number, because the mean of its divisors is an integer number (11176864).

Almost surely, 2^85655407 is an apocalyptic number.

85655407 is a deficient number, since it is larger than the sum of its proper divisors (3759505).

85655407 is a wasteful number, since it uses less digits than its factorization.

85655407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38049.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 85655407 is about 9255.0206374702. The cubic root of 85655407 is about 440.8101585351.

The spelling of 85655407 in words is "eighty-five million, six hundred fifty-five thousand, four hundred seven".