85149653 has 8 divisors (see below), whose sum is σ = 88114176. Its totient is φ = 82198800.

The previous prime is 85149643. The next prime is 85149667. The reversal of 85149653 is 35694158.

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 85149653 - 2¹⁰ = 85148629 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 85149653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85149643) 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, 10175 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (11014272).

Almost surely, 2^85149653 is an apocalyptic number.

It is an amenable number.

85149653 is a deficient number, since it is larger than the sum of its proper divisors (2964523).

85149653 is a wasteful number, since it uses less digits than its factorization.

85149653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835.

The product of its digits is 129600, while the sum is 41.

The square root of 85149653 is about 9227.6569615477. The cubic root of 85149653 is about 439.9408546533.

The spelling of 85149653 in words is "eighty-five million, one hundred forty-nine thousand, six hundred fifty-three".