85631674 has 8 divisors (see below), whose sum is σ = 128494368. Its totient is φ = 42800220.

The previous prime is 85631671. The next prime is 85631683. The reversal of 85631674 is 47613658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85631671) 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 3 ways as a sum of consecutive naturals, for example, 1059 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (16061796).

Almost surely, 2^85631674 is an apocalyptic number.

85631674 is a deficient number, since it is larger than the sum of its proper divisors (42862694).

85631674 is a wasteful number, since it uses less digits than its factorization.

85631674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620.

The product of its digits is 120960, while the sum is 40.

The square root of 85631674 is about 9253.7383797036. The cubic root of 85631674 is about 440.7694422346.

The spelling of 85631674 in words is "eighty-five million, six hundred thirty-one thousand, six hundred seventy-four".