85423236765 has 16 divisors (see below), whose sum is σ = 136705833600. Its totient is φ = 45549508032.

The previous prime is 85423236763. The next prime is 85423236781. The reversal of 85423236765 is 56763232458.

It is not a de Polignac number, because 85423236765 - 2¹ = 85423236763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85423236763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522745 + ... + 666414.

It is an arithmetic number, because the mean of its divisors is an integer number (8544114600).

Almost surely, 2^85423236765 is an apocalyptic number.

It is an amenable number.

85423236765 is a deficient number, since it is larger than the sum of its proper divisors (51282596835).

85423236765 is a wasteful number, since it uses less digits than its factorization.

85423236765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193956.

The product of its digits is 7257600, while the sum is 51.

The spelling of 85423236765 in words is "eighty-five billion, four hundred twenty-three million, two hundred thirty-six thousand, seven hundred sixty-five".