85374505 has 32 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 60318720.

The previous prime is 85374469. The next prime is 85374539. The reversal of 85374505 is 50547358.

It is not a de Polignac number, because 85374505 - 2⁹ = 85373993 is a prime.

It is a super-2 number, since 2×85374505² = 14577612207990050, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 89109 + ... + 90061.

It is an arithmetic number, because the mean of its divisors is an integer number (3606120).

Almost surely, 2^85374505 is an apocalyptic number.

It is an amenable number.

85374505 is a deficient number, since it is larger than the sum of its proper divisors (30021335).

85374505 is a wasteful number, since it uses less digits than its factorization.

85374505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

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

The square root of 85374505 is about 9239.8325201272. The cubic root of 85374505 is about 440.3277602642.

The spelling of 85374505 in words is "eighty-five million, three hundred seventy-four thousand, five hundred five".