85628535 has 32 divisors (see below), whose sum is σ = 145666560. Its totient is φ = 42830208.

The previous prime is 85628519. The next prime is 85628537. The reversal of 85628535 is 53582658.

85628535 = 902² + 903² + ... + 996².

It is not a de Polignac number, because 85628535 - 2⁴ = 85628519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85628537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27897 + ... + 30813.

It is an arithmetic number, because the mean of its divisors is an integer number (4552080).

Almost surely, 2^85628535 is an apocalyptic number.

85628535 is a deficient number, since it is larger than the sum of its proper divisors (60038025).

85628535 is a wasteful number, since it uses less digits than its factorization.

85628535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047.

The product of its digits is 288000, while the sum is 42.

The square root of 85628535 is about 9253.5687710202. The cubic root of 85628535 is about 440.7640564075.

The spelling of 85628535 in words is "eighty-five million, six hundred twenty-eight thousand, five hundred thirty-five".