85550078 has 8 divisors (see below), whose sum is σ = 128391480. Its totient is φ = 42752920.

The previous prime is 85550071. The next prime is 85550081. The reversal of 85550078 is 87005558.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85550071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5708 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (16048935).

Almost surely, 2^85550078 is an apocalyptic number.

85550078 is a deficient number, since it is larger than the sum of its proper divisors (42841402).

85550078 is a wasteful number, since it uses less digits than its factorization.

85550078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 85550078 is about 9249.3285161681. The cubic root of 85550078 is about 440.6293988327.

The spelling of 85550078 in words is "eighty-five million, five hundred fifty thousand, seventy-eight".