85964688789 has 8 divisors (see below), whose sum is σ = 130993811520. Its totient is φ = 49122679296.

The previous prime is 85964688769. The next prime is 85964688791. The reversal of 85964688789 is 98788646958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85964688789 - 2⁸ = 85964688533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85964688709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046778284 + ... + 2046778325.

It is an arithmetic number, because the mean of its divisors is an integer number (16374226440).

Almost surely, 2^85964688789 is an apocalyptic number.

It is an amenable number.

85964688789 is a deficient number, since it is larger than the sum of its proper divisors (45029122731).

85964688789 is a wasteful number, since it uses less digits than its factorization.

85964688789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093556619.

The product of its digits is 1672151040, while the sum is 78.

The spelling of 85964688789 in words is "eighty-five billion, nine hundred sixty-four million, six hundred eighty-eight thousand, seven hundred eighty-nine".