85375878 has 16 divisors (see below), whose sum is σ = 195144960. Its totient is φ = 24393096.

The previous prime is 85375861. The next prime is 85375879. The reversal of 85375878 is 87857358.

It is a self number, because there is not a number n which added to its sum of digits gives 85375878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85375879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016338 + ... + 1016421.

It is an arithmetic number, because the mean of its divisors is an integer number (12196560).

Almost surely, 2^85375878 is an apocalyptic number.

85375878 is an abundant number, since it is smaller than the sum of its proper divisors (109769082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85375878 is a wasteful number, since it uses less digits than its factorization.

85375878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032771.

The product of its digits is 1881600, while the sum is 51.

The square root of 85375878 is about 9239.9068177120. The cubic root of 85375878 is about 440.3301207143.

The spelling of 85375878 in words is "eighty-five million, three hundred seventy-five thousand, eight hundred seventy-eight".