85178824424 has 16 divisors (see below), whose sum is σ = 160413868800. Its totient is φ = 42401792752.

The previous prime is 85178824417. The next prime is 85178824433. The reversal of 85178824424 is 42442887158.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23450504 + ... + 23454135.

It is an arithmetic number, because the mean of its divisors is an integer number (10025866800).

Almost surely, 2^85178824424 is an apocalyptic number.

It is an amenable number.

85178824424 is a deficient number, since it is larger than the sum of its proper divisors (75235044376).

85178824424 is a wasteful number, since it uses less digits than its factorization.

85178824424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46904872 (or 46904868 counting only the distinct ones).

The product of its digits is 4587520, while the sum is 53.

The spelling of 85178824424 in words is "eighty-five billion, one hundred seventy-eight million, eight hundred twenty-four thousand, four hundred twenty-four".