85035578 has 4 divisors (see below), whose sum is σ = 127553370. Its totient is φ = 42517788.

The previous prime is 85035541. The next prime is 85035589. The reversal of 85035578 is 87553058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87553058 = 2 ⋅43776529.

It can be written as a sum of positive squares in only one way, i.e., 56445169 + 28590409 = 7513^2 + 5347^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21258893 + ... + 21258896.

Almost surely, 2^85035578 is an apocalyptic number.

85035578 is a deficient number, since it is larger than the sum of its proper divisors (42517792).

85035578 is a wasteful number, since it uses less digits than its factorization.

85035578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42517791.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 85035578 is about 9221.4737433883. The cubic root of 85035578 is about 439.7443039161.

The spelling of 85035578 in words is "eighty-five million, thirty-five thousand, five hundred seventy-eight".