85436078 has 16 divisors (see below), whose sum is σ = 157728480. Its totient is φ = 33798816.

The previous prime is 85436069. The next prime is 85436081. The reversal of 85436078 is 87063458.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234533 + ... + 234896.

It is an arithmetic number, because the mean of its divisors is an integer number (9858030).

Almost surely, 2^85436078 is an apocalyptic number.

85436078 is a deficient number, since it is larger than the sum of its proper divisors (72292402).

85436078 is a wasteful number, since it uses less digits than its factorization.

85436078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469451.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 85436078 is about 9243.1638522748. The cubic root of 85436078 is about 440.4335911790.

The spelling of 85436078 in words is "eighty-five million, four hundred thirty-six thousand, seventy-eight".