85649078 has 8 divisors (see below), whose sum is σ = 128595072. Its totient is φ = 42784056.

The previous prime is 85649059. The next prime is 85649147. The reversal of 85649078 is 87094658.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17525 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (16074384).

Almost surely, 2^85649078 is an apocalyptic number.

85649078 is a deficient number, since it is larger than the sum of its proper divisors (42945994).

85649078 is a wasteful number, since it uses less digits than its factorization.

85649078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40486.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 85649078 is about 9254.6787086317. The cubic root of 85649078 is about 440.7993012474.

The spelling of 85649078 in words is "eighty-five million, six hundred forty-nine thousand, seventy-eight".