85939782767 has 8 divisors (see below), whose sum is σ = 88717246080. Its totient is φ = 83162645280.

The previous prime is 85939782751. The next prime is 85939782787. The reversal of 85939782767 is 76728793958.

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

It is a cyclic number.

It is not a de Polignac number, because 85939782767 - 2⁴ = 85939782751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85939782767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85939782787) 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, 526793 + ... + 670365.

It is an arithmetic number, because the mean of its divisors is an integer number (11089655760).

Almost surely, 2^85939782767 is an apocalyptic number.

85939782767 is a deficient number, since it is larger than the sum of its proper divisors (2777463313).

85939782767 is a wasteful number, since it uses less digits than its factorization.

85939782767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162913.

The product of its digits is 320060160, while the sum is 71.

The spelling of 85939782767 in words is "eighty-five billion, nine hundred thirty-nine million, seven hundred eighty-two thousand, seven hundred sixty-seven".