85151536 has 20 divisors (see below), whose sum is σ = 165125592. Its totient is φ = 42538496.

The previous prime is 85151533. The next prime is 85151537. The reversal of 85151536 is 63515158.

It is not an unprimeable number, because it can be changed into a prime (85151531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30720 + ... + 33376.

Almost surely, 2^85151536 is an apocalyptic number.

It is an amenable number.

85151536 is a deficient number, since it is larger than the sum of its proper divisors (79974056).

85151536 is a wasteful number, since it uses less digits than its factorization.

85151536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4662 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 85151536 is about 9227.7589912177. The cubic root of 85151536 is about 439.9440975810.

The spelling of 85151536 in words is "eighty-five million, one hundred fifty-one thousand, five hundred thirty-six".