85864319474 has 16 divisors (see below), whose sum is σ = 136401871968. Its totient is φ = 40398107712.

The previous prime is 85864319461. The next prime is 85864319521. The reversal of 85864319474 is 47491346858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106772 + ... + 427935.

It is an arithmetic number, because the mean of its divisors is an integer number (8525116998).

Almost surely, 2^85864319474 is an apocalyptic number.

85864319474 is a deficient number, since it is larger than the sum of its proper divisors (50537552494).

85864319474 is a wasteful number, since it uses less digits than its factorization.

85864319474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539449.

The product of its digits is 23224320, while the sum is 59.

The spelling of 85864319474 in words is "eighty-five billion, eight hundred sixty-four million, three hundred nineteen thousand, four hundred seventy-four".