85513238 has 8 divisors (see below), whose sum is σ = 128309832. Its totient is φ = 42743296.

The previous prime is 85513231. The next prime is 85513271. The reversal of 85513238 is 83231558.

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

It is a junction number, because it is equal to n+sod(n) for n = 85513198 and 85513207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85513231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6806 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (16038729).

Almost surely, 2^85513238 is an apocalyptic number.

85513238 is a deficient number, since it is larger than the sum of its proper divisors (42796594).

85513238 is a wasteful number, since it uses less digits than its factorization.

85513238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13326.

The product of its digits is 28800, while the sum is 35.

The square root of 85513238 is about 9247.3368058052. The cubic root of 85513238 is about 440.5661410775.

The spelling of 85513238 in words is "eighty-five million, five hundred thirteen thousand, two hundred thirty-eight".