80529432823 has 16 divisors (see below), whose sum is σ = 93241477440. Its totient is φ = 68125176576.

The previous prime is 80529432821. The next prime is 80529432853. The reversal of 80529432823 is 32823492508.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80529432823 - 2¹ = 80529432821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80529432821) 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, 76788 + ... + 408601.

It is an arithmetic number, because the mean of its divisors is an integer number (5827592340).

Almost surely, 2^80529432823 is an apocalyptic number.

80529432823 is a deficient number, since it is larger than the sum of its proper divisors (12712044617).

80529432823 is a wasteful number, since it uses less digits than its factorization.

80529432823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485706.

The product of its (nonzero) digits is 829440, while the sum is 46.

It can be divided in two parts, 805 and 29432823, that added together give a triangular number (29433628 = T₇₆₇₂).

The spelling of 80529432823 in words is "eighty billion, five hundred twenty-nine million, four hundred thirty-two thousand, eight hundred twenty-three".