85366697774 has 8 divisors (see below), whose sum is σ = 128051678520. Its totient is φ = 42682804936.

The previous prime is 85366697749. The next prime is 85366697807. The reversal of 85366697774 is 47779666358.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34244 + ... + 414615.

It is an arithmetic number, because the mean of its divisors is an integer number (16006459815).

Almost surely, 2^85366697774 is an apocalyptic number.

85366697774 is a deficient number, since it is larger than the sum of its proper divisors (42684980746).

85366697774 is a wasteful number, since it uses less digits than its factorization.

85366697774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543954.

The product of its digits is 320060160, while the sum is 68.

The spelling of 85366697774 in words is "eighty-five billion, three hundred sixty-six million, six hundred ninety-seven thousand, seven hundred seventy-four".