85195842078 has 16 divisors (see below), whose sum is σ = 170572770576. Its totient is φ = 28368432960.

The previous prime is 85195842073. The next prime is 85195842113. The reversal of 85195842078 is 87024859158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85195842073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7539151 + ... + 7550442.

It is an arithmetic number, because the mean of its divisors is an integer number (10660798161).

Almost surely, 2^85195842078 is an apocalyptic number.

85195842078 is an abundant number, since it is smaller than the sum of its proper divisors (85376928498).

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

85195842078 is a wasteful number, since it uses less digits than its factorization.

85195842078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15090539.

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 85195842078 in words is "eighty-five billion, one hundred ninety-five million, eight hundred forty-two thousand, seventy-eight".