85909953 has 8 divisors (see below), whose sum is σ = 114660000. Its totient is φ = 57216608.

The previous prime is 85909951. The next prime is 85909961. The reversal of 85909953 is 35990958.

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 85909953 - 2¹ = 85909951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85909951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10503 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (14332500).

Almost surely, 2^85909953 is an apocalyptic number.

It is an amenable number.

85909953 is a deficient number, since it is larger than the sum of its proper divisors (28750047).

85909953 is a wasteful number, since it uses less digits than its factorization.

85909953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28351.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 85909953 is about 9268.7622150965. The cubic root of 85909953 is about 441.2463851165.

The spelling of 85909953 in words is "eighty-five million, nine hundred nine thousand, nine hundred fifty-three".