85775340 has 96 divisors (see below), whose sum is σ = 275756544. Its totient is φ = 19514880.

The previous prime is 85775317. The next prime is 85775341. The reversal of 85775340 is 4357758.

It is not an unprimeable number, because it can be changed into a prime (85775341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138712 + ... + 139328.

It is an arithmetic number, because the mean of its divisors is an integer number (2872464).

Almost surely, 2^85775340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85775340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137878272).

85775340 is an abundant number, since it is smaller than the sum of its proper divisors (189981204).

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

85775340 is a wasteful number, since it uses less digits than its factorization.

85775340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 85775340 is about 9261.4977190517. The cubic root of 85775340 is about 441.0158004633.

The spelling of 85775340 in words is "eighty-five million, seven hundred seventy-five thousand, three hundred forty".