85687653 has 8 divisors (see below), whose sum is σ = 114618816. Its totient is φ = 56940800.

The previous prime is 85687643. The next prime is 85687703. The reversal of 85687653 is 35678658.

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 85687653 - 2⁵ = 85687621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85687603) 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, 44988 + ... + 46853.

It is an arithmetic number, because the mean of its divisors is an integer number (14327352).

Almost surely, 2^85687653 is an apocalyptic number.

It is an amenable number.

85687653 is a deficient number, since it is larger than the sum of its proper divisors (28931163).

85687653 is a wasteful number, since it uses less digits than its factorization.

85687653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92155.

The product of its digits is 1209600, while the sum is 48.

The square root of 85687653 is about 9256.7625550189. The cubic root of 85687653 is about 440.8654676764.

The spelling of 85687653 in words is "eighty-five million, six hundred eighty-seven thousand, six hundred fifty-three".