85613928 has 16 divisors (see below), whose sum is σ = 214034880. Its totient is φ = 28537968.

The previous prime is 85613917. The next prime is 85613977. The reversal of 85613928 is 82931658.

It is a self number, because there is not a number n which added to its sum of digits gives 85613928.

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 3 ways as a sum of consecutive naturals, for example, 1783600 + ... + 1783647.

It is an arithmetic number, because the mean of its divisors is an integer number (13377180).

Almost surely, 2^85613928 is an apocalyptic number.

It is an amenable number.

85613928 is an abundant number, since it is smaller than the sum of its proper divisors (128420952).

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

85613928 is a wasteful number, since it uses less digits than its factorization.

85613928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567256 (or 3567252 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 85613928 is about 9252.7794742985. The cubic root of 85613928 is about 440.7389923067.

The spelling of 85613928 in words is "eighty-five million, six hundred thirteen thousand, nine hundred twenty-eight".