85948971479 has 16 divisors (see below), whose sum is σ = 98605436160. Its totient is φ = 73387183680.

The previous prime is 85948971461. The next prime is 85948971541. The reversal of 85948971479 is 97417984958.

It is a cyclic number.

It is not a de Polignac number, because 85948971479 - 2⁸ = 85948971223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85948971419) 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 15 ways as a sum of consecutive naturals, for example, 10061192 + ... + 10069730.

It is an arithmetic number, because the mean of its divisors is an integer number (6162839760).

Almost surely, 2^85948971479 is an apocalyptic number.

85948971479 is a deficient number, since it is larger than the sum of its proper divisors (12656464681).

85948971479 is a wasteful number, since it uses less digits than its factorization.

85948971479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910.

The product of its digits is 182891520, while the sum is 71.

The spelling of 85948971479 in words is "eighty-five billion, nine hundred forty-eight million, nine hundred seventy-one thousand, four hundred seventy-nine".