85439711283 has 8 divisors (see below), whose sum is σ = 114146097408. Its totient is φ = 56846566344.

The previous prime is 85439711263. The next prime is 85439711293. The reversal of 85439711283 is 38211793458.

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

It is not a de Polignac number, because 85439711283 - 2²¹ = 85437614131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85439711243) 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, 28308535 + ... + 28311552.

It is an arithmetic number, because the mean of its divisors is an integer number (14268262176).

Almost surely, 2^85439711283 is an apocalyptic number.

85439711283 is a deficient number, since it is larger than the sum of its proper divisors (28706386125).

85439711283 is a wasteful number, since it uses less digits than its factorization.

85439711283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56620593.

The product of its digits is 1451520, while the sum is 51.

The spelling of 85439711283 in words is "eighty-five billion, four hundred thirty-nine million, seven hundred eleven thousand, two hundred eighty-three".