85930247678 has 16 divisors (see below), whose sum is σ = 140627427696. Its totient is φ = 39055232640.

The previous prime is 85930247677. The next prime is 85930247707. The reversal of 85930247678 is 87674203958.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85930247677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28550 + ... + 415542.

It is an arithmetic number, because the mean of its divisors is an integer number (8789214231).

Almost surely, 2^85930247678 is an apocalyptic number.

85930247678 is a deficient number, since it is larger than the sum of its proper divisors (54697180018).

85930247678 is a wasteful number, since it uses less digits than its factorization.

85930247678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397099.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 85930247678 in words is "eighty-five billion, nine hundred thirty million, two hundred forty-seven thousand, six hundred seventy-eight".