85909594 has 8 divisors (see below), whose sum is σ = 130977108. Its totient is φ = 42250560.

The previous prime is 85909573. The next prime is 85909601. The reversal of 85909594 is 49590958.

It can be written as a sum of positive squares in 2 ways, for example, as 85470025 + 439569 = 9245^2 + 663^2 .

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

It is an unprimeable number.

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, 351967 + ... + 352210.

Almost surely, 2^85909594 is an apocalyptic number.

85909594 is a deficient number, since it is larger than the sum of its proper divisors (45067514).

85909594 is a wasteful number, since it uses less digits than its factorization.

85909594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704240.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 85909594 is about 9268.7428489521. The cubic root of 85909594 is about 441.2457704897.

The spelling of 85909594 in words is "eighty-five million, nine hundred nine thousand, five hundred ninety-four".