80138780823 has 8 divisors (see below), whose sum is σ = 106853015808. Its totient is φ = 53425199864.

The previous prime is 80138780809. The next prime is 80138780867. The reversal of 80138780823 is 32808783108.

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 80138780823 - 2⁹ = 80138780311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80138780803) 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, 392740 + ... + 560822.

It is an arithmetic number, because the mean of its divisors is an integer number (13356626976).

Almost surely, 2^80138780823 is an apocalyptic number.

80138780823 is a deficient number, since it is larger than the sum of its proper divisors (26714234985).

80138780823 is a wasteful number, since it uses less digits than its factorization.

80138780823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327013.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 80138780823 in words is "eighty billion, one hundred thirty-eight million, seven hundred eighty thousand, eight hundred twenty-three".