85535740 has 12 divisors (see below), whose sum is σ = 179625096. Its totient is φ = 34214288.

The previous prime is 85535731. The next prime is 85535741. The reversal of 85535740 is 4753558.

It is a self number, because there is not a number n which added to its sum of digits gives 85535740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85535741) 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, 2138374 + ... + 2138413.

It is an arithmetic number, because the mean of its divisors is an integer number (14968758).

Almost surely, 2^85535740 is an apocalyptic number.

It is an amenable number.

85535740 is an abundant number, since it is smaller than the sum of its proper divisors (94089356).

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

85535740 is a wasteful number, since it uses less digits than its factorization.

85535740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276796 (or 4276794 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 85535740 is about 9248.5534003973. The cubic root of 85535740 is about 440.6047812931.

The spelling of 85535740 in words is "eighty-five million, five hundred thirty-five thousand, seven hundred forty".