85609530 has 48 divisors (see below), whose sum is σ = 223202304. Its totient is φ = 22765920.

The previous prime is 85609493. The next prime is 85609541. The reversal of 85609530 is 3590658.

85609530 is a `hidden beast` number, since 8 + 560 + 95 + 3 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37687 + ... + 39893.

It is an arithmetic number, because the mean of its divisors is an integer number (4650048).

Almost surely, 2^85609530 is an apocalyptic number.

85609530 is an abundant number, since it is smaller than the sum of its proper divisors (137592774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85609530 is a wasteful number, since it uses less digits than its factorization.

85609530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 85609530 is about 9252.5418129290. The cubic root of 85609530 is about 440.7314452353.

The spelling of 85609530 in words is "eighty-five million, six hundred nine thousand, five hundred thirty".