85764442023 has 48 divisors (see below), whose sum is σ = 134393007840. Its totient is φ = 52390582272.

The previous prime is 85764442013. The next prime is 85764442051. The reversal of 85764442023 is 32024446758.

It is a happy number.

It is not a de Polignac number, because 85764442023 - 2¹⁰ = 85764440999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85764442023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85764442003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19240411 + ... + 19244867.

It is an arithmetic number, because the mean of its divisors is an integer number (2799854330).

Almost surely, 2^85764442023 is an apocalyptic number.

85764442023 is a deficient number, since it is larger than the sum of its proper divisors (48628565817).

85764442023 is a wasteful number, since it uses less digits than its factorization.

85764442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648 (or 5645 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 85764442023 in words is "eighty-five billion, seven hundred sixty-four million, four hundred forty-two thousand, twenty-three".