85657486 has 8 divisors (see below), whose sum is σ = 128900304. Its totient is φ = 42690720.

The previous prime is 85657477. The next prime is 85657489. The reversal of 85657486 is 68475658.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85657489) 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 3 ways as a sum of consecutive naturals, for example, 68235 + ... + 69478.

It is an arithmetic number, because the mean of its divisors is an integer number (16112538).

Almost surely, 2^85657486 is an apocalyptic number.

85657486 is a deficient number, since it is larger than the sum of its proper divisors (43242818).

85657486 is a wasteful number, since it uses less digits than its factorization.

85657486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138026.

The product of its digits is 1612800, while the sum is 49.

The square root of 85657486 is about 9255.1329542044. The cubic root of 85657486 is about 440.8137249062.

The spelling of 85657486 in words is "eighty-five million, six hundred fifty-seven thousand, four hundred eighty-six".