85178867848 has 16 divisors (see below), whose sum is σ = 160138560780. Its totient is φ = 42475251648.

The previous prime is 85178867819. The next prime is 85178867849. The reversal of 85178867848 is 84876887158.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80793514564 + 4385353284 = 284242^2 + 66222^2 .

It is a super-3 number, since 3×85178867848³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (85178867849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14269615 + ... + 14275582.

Almost surely, 2^85178867848 is an apocalyptic number.

It is an amenable number.

85178867848 is a deficient number, since it is larger than the sum of its proper divisors (74959692932).

85178867848 is a wasteful number, since it uses less digits than its factorization.

85178867848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28545576 (or 28545572 counting only the distinct ones).

The product of its digits is 192675840, while the sum is 70.

The spelling of 85178867848 in words is "eighty-five billion, one hundred seventy-eight million, eight hundred sixty-seven thousand, eight hundred forty-eight".