85379740 has 24 divisors (see below), whose sum is σ = 180446112. Its totient is φ = 33933120.

The previous prime is 85379719. The next prime is 85379743. The reversal of 85379740 is 4797358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85379743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10456 + ... + 16735.

It is an arithmetic number, because the mean of its divisors is an integer number (7518588).

Almost surely, 2^85379740 is an apocalyptic number.

It is an amenable number.

85379740 is an abundant number, since it is smaller than the sum of its proper divisors (95066372).

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

85379740 is a wasteful number, since it uses less digits than its factorization.

85379740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27357 (or 27355 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 85379740 is about 9240.1158001402. The cubic root of 85379740 is about 440.3367600966.

The spelling of 85379740 in words is "eighty-five million, three hundred seventy-nine thousand, seven hundred forty".