85427340 has 24 divisors (see below), whose sum is σ = 239196720. Its totient is φ = 22780608.

The previous prime is 85427323. The next prime is 85427357. The reversal of 85427340 is 4372458.

It is an interprime number because it is at equal distance from previous prime (85427323) and next prime (85427357).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711835 + ... + 711954.

It is an arithmetic number, because the mean of its divisors is an integer number (9966530).

Almost surely, 2^85427340 is an apocalyptic number.

It is an amenable number.

85427340 is an abundant number, since it is smaller than the sum of its proper divisors (153769380).

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

85427340 is a wasteful number, since it uses less digits than its factorization.

85427340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423801 (or 1423799 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 85427340 is about 9242.6911665380. The cubic root of 85427340 is about 440.4185755087.

Adding to 85427340 its reverse (4372458), we get a palindrome (89799798).

The spelling of 85427340 in words is "eighty-five million, four hundred twenty-seven thousand, three hundred forty".